APA Цитирование

(1994). Operation and maintenance of water supply and sanitaion systems: Case studies. Genava: World Health Organization (WHO).

Chicago-стиль цитирования

Operation and Maintenance of Water Supply and Sanitaion Systems: Case Studies. Genava: World Health Organization (WHO), 1994.

MLA-цитирование

Operation and Maintenance of Water Supply and Sanitaion Systems: Case Studies. Genava: World Health Organization (WHO), 1994.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.