Cita APA

(2003). Closing the loop: Ecological sanitation for food security. México: SIDA, UNDP, UNICEF, Water and Sanitation Program, Thrasher Research Fund, PAHO.

Citación estilo Chicago

Closing the Loop: Ecological Sanitation for Food Security. México: SIDA, UNDP, UNICEF, Water and Sanitation Program, Thrasher Research Fund, PAHO, 2003.

Cita MLA

Closing the Loop: Ecological Sanitation for Food Security. México: SIDA, UNDP, UNICEF, Water and Sanitation Program, Thrasher Research Fund, PAHO, 2003.