Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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