Cita APA (7a ed.)
Cowell, R. (1988). The IIMI style manual. International Irrigation Management Institute.
Cita Chicago Style (17a ed.)
Cowell, R.L. The IIMI Style Manual. International Irrigation Management Institute, 1988.
Cita MLA (9a ed.)
Cowell, R.L. The IIMI Style Manual. International Irrigation Management Institute, 1988.
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