Styl cytowania APA

(1994). Operation and maintenance of Urban water supply and sanitation systems: A guide for managers. World Health Organisation.

Styl cytowania Chicago

Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. Geneva: World Health Organisation, 1994.

Styl cytowania MLA

Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. World Health Organisation, 1994.

Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..