APA (7e ed.) Bronvermelding

Perera, M. P., & Abeyratne, F. (1978). The citronella industry in the Hambantota District. Agrarian Research & Training Institute.

Chicago (17e ed.) Bronvermelding

Perera, M. P., en Fredrick Abeyratne. The Citronella Industry in the Hambantota District. Colombo: Agrarian Research & Training Institute, 1978.

MLA (8e ed.) Bronvermelding

Perera, M. P., en Fredrick Abeyratne. The Citronella Industry in the Hambantota District. Agrarian Research & Training Institute, 1978.