APA
Perera M., Abeyratne F., . (1978). The Citronella Industry in the Hambantota District. Agrarian Research and Training Institute: Colombo.
Chicago
Perera M, Abeyratne F, . 1978. The Citronella Industry in the Hambantota District. Agrarian Research and Training Institute: Colombo.
Harvard
Perera M., Abeyratne F., . (1978). The Citronella Industry in the Hambantota District. Agrarian Research and Training Institute: Colombo.
MLA
Perera M, Abeyratne F, . The Citronella Industry in the Hambantota District. Agrarian Research and Training Institute: Colombo. 1978.