APA aipamena

World Health Organization & Cassel, J. (1970). The Education and training of engineers for environmental health. World Health Organization.

Chicago Style aipamena

World Health Organization and John Cassel. The Education and Training of Engineers for Environmental Health. Geneva: World Health Organization, 1970.

MLA aipamena

World Health Organization and John Cassel. The Education and Training of Engineers for Environmental Health. World Health Organization, 1970.