APA aipamena

Geissbuhler, H. (1979). World food production enviornment-pesticides. Pergamum Press.

Chicago Style aipamena

Geissbuhler, H. World Food Production Enviornment-pesticides. New York: Pergamum Press, 1979.

MLA aipamena

Geissbuhler, H. World Food Production Enviornment-pesticides. Pergamum Press, 1979.