↑USA International Business Publications (1 Januari 2009). "Chronology of Indonesia Ambassadors in United Stated of America". US – Indonesia Diplomatic and Political Cooperation Handbook. Global Inversment Centre, USA. p. 68. ISBN1-4330-5330-6.
↑Statistical Pocketbook of Indonesia 1956 [Buku Saku Statistik Indonesia 1956]. Jakarta: Biro Pusat Statistik. 1956. p. 227.
↑Directory: Ministry of Health. Jakarta: Departemen Kesehatan Republik Indonesia. 1997. p. 63.