Phurba (tyb: སྤྲུལ་པ Wylie: sprul-pa) – trójstronny sztylet rytualny używany w tybetańskiej tradycji bön, buddyzmie tybetańskim oraz nepalskim szamanizmie zwanym dźhankri. Sanskryckim odpowiednikiem jest kilaja.

• Müller-Ebeling, Claudia and Christian Rätsch and Surendra Bahadur Shahi (2002). Shamanism and Tantra in the Himalayas. Transl. by Annabel Lee. Rochester, Vt.: Inner Traditions.
• Kerrigan, Michael, Clifford Bishop & James Chambers (1998). The Diamond Path: Tibetan and Mongolian Myth. Amsterdam, Time-Life Books. ISBN 0-7954-3563-6.
• Beer, Robert (1999). The Encyclopedia of Tibetan Symbols and Motifs (Hardcover). Shambhala. ISBN 1-57062-416-X, ISBN 978-1570624162.
• Shamanistic Studies and Research Centre. Źródło: http://www.himalayanshamans.com/
• Cleland, Elizabeth (2001). The Vajrakilaya Sadhana: An Euro-American Experience Of A Nyingma Ritual. Ottawa, Ontario: Carleton University. Źródło: http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ57700.pdf (accessed: Monday, 26 February 2007)
• Khenpo Namdrol Rinpoche (1999). The Practice Of Vajrakilaya (paperback). Snow Lion Publications. ISBN 1-55939-103-0 & ISBN 978-1559391030.
• Beer, Robert (1999). The Encyclopedia of Tibetan Symbols and Motifs (Hardcover). Shambhala. ISBN 1-57062-416-X, ISBN 978-1570624162.
• Cleland, Elizabeth (2001). The Vajrakilaya Sadhana: An Euro American Experience of a Nyingma Ritual. Źródło: [1]
• Ven. Khenchen Palden Sherab Rinpoche and Ven. Khenpo Tsewang Dongyal Rinpoche. The Dark Red Amulet: Oral Instructions on the Practice of Vajrakilaya. Snow Lion Publications (2008)

• Siddharthasintent. siddharthasintent.org. [zarchiwizowane z tego adresu (2008-03-04)].
• Paldensakya. paldensakya.org.in. [zarchiwizowane z tego adresu (2008-03-05)].
• Vajrakilaya