Dyfyniad APA
Tebbutt, T. H. Y. (1998). Principles of water quality control (5th ed.). ButterWorth-Heinemann.
Dyfyniad Arddull Chicago
Tebbutt, T. H. Y. Principles of Water Quality Control. 5th ed. Boston, MA: ButterWorth-Heinemann, 1998.
Dyfyniad MLA
Tebbutt, T. H. Y. Principles of Water Quality Control. 5th ed. ButterWorth-Heinemann, 1998.
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