Dyfyniad APA

Hagan, R. M., Houston, C. E., & Allison, S. V. (1968). Successful irrigation: Planning, development, management. Food and Agriculture Organization of the United Nations.

Dyfyniad Arddull Chicago

Hagan, Robert Mower, Clyde E. Houston, and Stephen V. Allison. Successful Irrigation: Planning, Development, Management. Rome: Food and Agriculture Organization of the United Nations, 1968.

Dyfyniad MLA

Hagan, Robert Mower, et al. Successful Irrigation: Planning, Development, Management. Food and Agriculture Organization of the United Nations, 1968.

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