APA (7e ed.) Bronvermelding

Não informado. (1952). Planters Bulletin. Rubber Research Institute of Malaysia.

Chicago (17e ed.) Bronvermelding

Não informado. Planters Bulletin. Kuala Lumpur: Rubber Research Institute of Malaysia, 1952.

MLA (8e ed.) Bronvermelding

Não informado. Planters Bulletin. Rubber Research Institute of Malaysia, 1952.

Let op: Deze citaties zijn niet altijd 100% accuraat.