<bdi><a href="https://en.wikipedia.org/wiki/en:Direk_Jayanama" class="extiw" title="w:en:Direk Jayanama"><span title="Thai politician">Direk Jayanama</span></a>
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<a href="https://en.wikipedia.org/wiki/Direk_Jayanama" class="extiw" title="w:Direk Jayanama">Direk Chaiyanam</a>. (1947). <i>Ratthathammanun britit</i> [British constitution]. Bangkok: Phanit Supphaphon Printing House. [Published by Direk Chaiyanam for distribution at the royally sponsored funeral of Phraya Ram Ratchadet (Mom Ratchawong Pan Nopphawong), held at the crematory of Wat Makut Kasattriyaram on 16 April 2490 Buddhist Era (1947 Common Era)]. (In Thai).