Push adalah novel debut tahun 1996 karya pengarang Amerika Sapphire. Tiga belas tahun setelah perilisannya, karya tersebut diadaptasi menjadi Precious: Based on the Novel "Push" by Sapphire, sebuah film pemenang dua Oscar dan diproduksi oleh Lee Daniels dan Gary Magness.

• Precious, adaptasi film

• Bennett, Tegan. "Sapphire shapes a gem that is Precious". The Sydney Morning Herald 18 January 1997, late ed.: 12.
• Freeman-Greene, Suzy. "Hard beat of Harlem; Books". The Age 21 September 1996, late ed.: 7.
• Harmon, William et al. A Handbook to Literature. 9th ed. NJ: Prentice Hall, 2003.
• Harrell, Shante' L. D. et al. "Ramona Lofton (Sapphire)". VG: Voices from the Gaps. 2006. University of Minnesota. 16 April 2009. [1]
• Kakutani, Michiko. "BOOK OF THE TIMES; A Cruel World, Endless Until a Teacher Steps In". The New York Times 14 June 1996, late ed.: 29. [2]
• Powers, William. "Sapphire's Raw Gem; Some Say Her Novel Exploits Suffering. She Says They're Reading It All Wrong". The Washington Post 6 August 1996: B1.

• The Official Film Website
• Interview about Precious with the cast and director, as well as Sapphire herself, at the 2009 Sundance Film Festival:

• Sundance Interview Part 1
• Sundance Interview Part 2
• Sundance Interview Part 3