Jabarkan Catatan dari Undang-Undang Suksesi Kerajaan 1924

Aryan, Gothan (15 – 16 September 2004), Thai Monarchy , International Institute for Democracy and Electoral Assistance, Retrieved on 5 July 2006, presented in Kathmandu, Nepal

Grossman, Nicholas (EDT) and Faulder, Dominic (2011) King Bhumibol Adulyadej: A Life's Work: Thailand's Monarchy in Perspective. Editions Didier Millet (Succession: p. 325–333).

The Constitution of the Kingdom of Thailand (1997), Section 20