APA citiranje

Victor M Ehlers. (1979). Municipal and rural sanitation. Manila, Philippines: Merriam and Webster,Inc.

Trích dẫn kiểu Chicago

Victor M Ehlers. Municipal and Rural Sanitation. Manila, Philippines: Merriam and Webster,Inc, 1979.

MLA citiranje

Victor M Ehlers. Municipal and Rural Sanitation. Manila, Philippines: Merriam and Webster,Inc, 1979.

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