Παραπομπή σε μορφή APA (7η εκδ.)

Alviar, N. (1969). An economic comparison between tractor-operated and carabao-cultivated rice farms.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alviar, Nelly. An Economic Comparison Between Tractor-operated and Carabao-cultivated Rice Farms. 1969.

Παραπομπή σε μορφή MLA (9th εκδ.)

Alviar, Nelly. An Economic Comparison Between Tractor-operated and Carabao-cultivated Rice Farms. 1969.