Citazione Stile APA (7a Edizione)

Grava, S. (1969). Urban planning aspects of water pollution control. Columbia University Press.

Citazione stile Chigago Style (17a edizione)

Grava, Sigurd. Urban Planning Aspects of Water Pollution Control. New York: Columbia University Press, 1969.

Citatione MLA (9a ed.)

Grava, Sigurd. Urban Planning Aspects of Water Pollution Control. Columbia University Press, 1969.