APA
Food and Agriculture Organization (FAO), . (1973). International Directory of Agricultural Engineering Institutions. Food and Agriculture Organization (FAO) of the United Nations: .
Chicago
Food and Agriculture Organization (FAO), . 1973. International Directory of Agricultural Engineering Institutions. Food and Agriculture Organization (FAO) of the United Nations: .
Harvard
Food and Agriculture Organization (FAO), . (1973). International Directory of Agricultural Engineering Institutions. Food and Agriculture Organization (FAO) of the United Nations: .
MLA
Food and Agriculture Organization (FAO), . International Directory of Agricultural Engineering Institutions. Food and Agriculture Organization (FAO) of the United Nations: . 1973.
