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.
芝加哥风格引文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引文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.
警告：这些引文格式不一定是100％准确.