IRC International Water and Sanitation Centre, Global Consultation on Safe Water and Sanitation for the 1990s, & Heijnen, H. (1991). List of basic publications on water supply and sanitation: A selected bibliography. The Centre.
Cytowanie według stylu Chicago (wyd. 17)IRC International Water and Sanitation Centre, Global Consultation on Safe Water and Sanitation for the 1990s, i Han Heijnen. List of Basic Publications on Water Supply and Sanitation: A Selected Bibliography. The Hague: The Centre, 1991.
Cytowanie według stylu MLA (wyd. 9)IRC International Water and Sanitation Centre, et al. List of Basic Publications on Water Supply and Sanitation: A Selected Bibliography. The Centre, 1991.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..