APA (7e ed.) Bronvermelding

Não informado. (1976). Journal of the Rubber Research Institute of Sri Lanka. Rubber Research Institute of Sri Lanka.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of the Rubber Research Institute of Sri Lanka. Agalawatta, Sri Lanka: Rubber Research Institute of Sri Lanka, 1976.

MLA (8e ed.) Bronvermelding

Não informado. Journal of the Rubber Research Institute of Sri Lanka. Rubber Research Institute of Sri Lanka, 1976.

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