APA (7e ed.) Bronvermelding

Não informado. (2001). Annual Review. Rubber Research Institute of Sri Lanka.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Review. Colombo: Rubber Research Institute of Sri Lanka, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Annual Review. Rubber Research Institute of Sri Lanka, 2001.

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