Wales, H. G. Quaritch (Digitized April 14, 2005) [First published in 1931]. "Pt. III, Ch. VI, 1. Succession". Siamese state ceremonies. London: Bernard Quaritch. hlm. 67. Diakses tanggal April 25, 2012. The Succession to the Throne of Siam is, in theory, regulated by the law of A.D. 1360....Periksa nilai tanggal di: |date= (bantuan)
