Alviar, N. G. (1976). An economic comparison between tractor-operated and carabao-cultivated rice farms [microform]. Photoduplication Service,University of the Philippines library.
Citação do estilo Chicago (17ª ed.)Alviar, Nelly Guevarra. An Economic Comparison Between Tractor-operated and Carabao-cultivated Rice Farms [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1976.
Citação MLA (9ª ed.)Alviar, Nelly Guevarra. An Economic Comparison Between Tractor-operated and Carabao-cultivated Rice Farms [microform]. Photoduplication Service,University of the Philippines library, 1976.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.