APA (7e ed.) Bronvermelding

Medina, J. (1980). Costs involved in the domestic production of agri-based import substitutes: White corn, Northern Mindanao. Special Studies Division, Planning Service, Ministry of Agriculture.

Chicago (17e ed.) Bronvermelding

Medina, J.P. Costs Involved in the Domestic Production of Agri-based Import Substitutes: White Corn, Northern Mindanao. Quezon City: Special Studies Division, Planning Service, Ministry of Agriculture, 1980.

MLA (9e ed.) Bronvermelding

Medina, J.P. Costs Involved in the Domestic Production of Agri-based Import Substitutes: White Corn, Northern Mindanao. Special Studies Division, Planning Service, Ministry of Agriculture, 1980.