Ng, S. M. (1974). Demographic materials on the Khmer Republic, Laos, and Vietnam. Institute of Southeast Asian Studies.
Lua i Stíl Chicago (17ú heag.)Ng, Shui Meng. Demographic Materials on the Khmer Republic, Laos, and Vietnam. Singapore: Institute of Southeast Asian Studies, 1974.
Lua MLA (8ú heag.)Ng, Shui Meng. Demographic Materials on the Khmer Republic, Laos, and Vietnam. Institute of Southeast Asian Studies, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.