Παραπομπή σε μορφή APA (7η εκδ.)

Sathasivampillai, K. (1977). Cost of production of some selected fruit crops in Sri Lanka. Govt. Dept. of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sathasivampillai, K. Cost of Production of Some Selected Fruit Crops in Sri Lanka. Peradeniya: Govt. Dept. of Agriculture, 1977.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sathasivampillai, K. Cost of Production of Some Selected Fruit Crops in Sri Lanka. Govt. Dept. of Agriculture, 1977.