Cita APA

Mara, D. D. 1. (1996). Low-cost urban sanitation. Chichester ; New York: John Wiley and Sons.

Citación estilo Chicago

Mara, D. Duncan 1944-. Low-cost Urban Sanitation. Chichester ; New York: John Wiley and Sons, 1996.

Cita MLA

Mara, D. Duncan 1944-. Low-cost Urban Sanitation. Chichester ; New York: John Wiley and Sons, 1996.