APA aipamena

343480 Pickford, J. (1995). Low-cost sanitation: A survey of practical experience. London : ITDG Pub..

Chicago Style aipamena

343480 Pickford, John. Low-cost Sanitation: A Survey of Practical Experience. London : ITDG Pub., 1995.

MLA aipamena

343480 Pickford, John. Low-cost Sanitation: A Survey of Practical Experience. London : ITDG Pub., 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.