Citazione Stile APA (7a Edizione)

Fieldson, R. S. (1981). Farm labour input in the dry zone. Agrarian Research and Training Institute.

Citazione stile Chigago Style (17a edizione)

Fieldson, R. S. Farm Labour Input in the Dry Zone. Colombo: Agrarian Research and Training Institute, 1981.

Citatione MLA (9a ed.)

Fieldson, R. S. Farm Labour Input in the Dry Zone. Agrarian Research and Training Institute, 1981.