Dyfyniad APA
Robinson, M., & Ward, R. C. (2017). Hydrology: Principles and processes. Iwa Publishing.
Dyfyniad Arddull Chicago
Robinson, M., and R. C. Ward. Hydrology: Principles and Processes. London, England: Iwa Publishing, 2017.
Dyfyniad MLA
Robinson, M., and R. C. Ward. Hydrology: Principles and Processes. Iwa Publishing, 2017.
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