Food and Agriculture Organization of the United Nations & European Commission on Agriculture. Working Party on Water Resources and Irrigation. (1971). Automated irrigation. FAO.
Chicago-referens (17:e uppl.)Food and Agriculture Organization of the United Nations och European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. Rome: FAO, 1971.
MLA-referens (8:e uppl.)Food and Agriculture Organization of the United Nations och European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. FAO, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.