APA
Rupasena L., Jayaratne W., . (1993). Production and Marketing of Other Field Crops in the Kirindi Oya Project Area. Agrarian Research & Training Institute, Sri Lanka: Colombo.
Chicago
Rupasena L.P, Jayaratne W.A, . 1993. Production and Marketing of Other Field Crops in the Kirindi Oya Project Area. Agrarian Research & Training Institute, Sri Lanka: Colombo.
Harvard
Rupasena L., Jayaratne W., . (1993). Production and Marketing of Other Field Crops in the Kirindi Oya Project Area. Agrarian Research & Training Institute, Sri Lanka: Colombo.
MLA
Rupasena L.P, Jayaratne W.A, . Production and Marketing of Other Field Crops in the Kirindi Oya Project Area. Agrarian Research & Training Institute, Sri Lanka: Colombo. 1993.