Não informado. (1912). Agricultural Bulletin of the Federated Malay States. Straits Settlements and Federated Malay States.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Agricultural Bulletin of the Federated Malay States. Singapore: Straits Settlements and Federated Malay States, 1912.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Agricultural Bulletin of the Federated Malay States. Straits Settlements and Federated Malay States, 1912.
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