Gw mau tau Catatan dari Undang-Undang Suksesi Kerajaan 1924

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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