Não informado. (2008). Agricultural Bulletin of the Straits and Federated Malay States. Straits Times Press.
Chicago-referens (17:e uppl.)Não informado. Agricultural Bulletin of the Straits and Federated Malay States. Singapore: Straits Times Press, 2008.
MLA-referens (8:e uppl.)Não informado. Agricultural Bulletin of the Straits and Federated Malay States. Straits Times Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.