APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.