APA Zitierstil

CPRE. (1997). water a book of facts and activities.

Chicago Zitierstil

CPRE. Water a Book of Facts and Activities. Chennai, C P R Environmental Education Centre, 1997.

MLA Zitierstil

CPRE. Water a Book of Facts and Activities. 1997.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.