Perera, M. P., & Abeyratne, F. (1978). The citronella industry in the Hambantota District. Agrarian Research & Training Institute.
Style de citation Chicago (17e éd.)Perera, M. P., et Fredrick Abeyratne. The Citronella Industry in the Hambantota District. Colombo: Agrarian Research & Training Institute, 1978.
Style de citation MLA (8e éd.)Perera, M. P., et Fredrick Abeyratne. The Citronella Industry in the Hambantota District. Agrarian Research & Training Institute, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.