Wyatt, David K. (2003). Thailand: A Short History (2nd ed.). Chiang Mai: Silkworm Books. p. 122. ISBN974957544X. "Within a decade or so, a new Siam already had succeeded where Naresuan and his Ayutthaya predecessors had failed in creating a new Siamese empire encompassing Lan Na, much of Lan Sang [sic], as well as Cambodia, and large portions of the Malay Peninsula."
