APA引文

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引文

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

警告：這些引文格式不一定是100％准確.