Hagan, R. M., Houston, C. E., & Allison, S. V. (1968). Successful irrigation: Planning, development, management. Food and Agriculture Organization of the United Nations.
Citazione stile Chigago Style (17a edizione)Hagan, Robert Mower, Clyde E. Houston, e Stephen V. Allison. Successful Irrigation: Planning, Development, Management. Rome: Food and Agriculture Organization of the United Nations, 1968.
Citatione MLA (8a ed.)Hagan, Robert Mower, et al. Successful Irrigation: Planning, Development, Management. Food and Agriculture Organization of the United Nations, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.