Gamba, C. (1962). The National Union of Plantation Workers: The history of the plantation workers of Malaya, 1946-1958. D. Moore.
Lua i Stíl Chicago (17ú heag.)Gamba, Charles. The National Union of Plantation Workers: The History of the Plantation Workers of Malaya, 1946-1958. Singapore: D. Moore, 1962.
Lua MLA (9ú heag.)Gamba, Charles. The National Union of Plantation Workers: The History of the Plantation Workers of Malaya, 1946-1958. D. Moore, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.