Higham, C. (2002). Early cultures of mainland Southeast Asia. River Books.
Lua i Stíl Chicago (17ú heag.)Higham, Charles. Early Cultures of Mainland Southeast Asia. Tatien, Bangkok: River Books, 2002.
Lua MLA (9ú heag.)Higham, Charles. Early Cultures of Mainland Southeast Asia. River Books, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.