APA (7th ed.) Zitazioa

(1982). Appropriate methods of treating : water and: Wastewater in developing countries. Ann Arbor Science.

Chicago Style (17th ed.) Zitazioa

Appropriate Methods of Treating : Water and: Wastewater in Developing Countries. Ann Arbor: Ann Arbor Science, 1982.

MLA (9th ed.) Zitazioa

Appropriate Methods of Treating : Water and: Wastewater in Developing Countries. Ann Arbor Science, 1982.