Gray, O. S. (1973). Cases and materials on environmental law (2nd ed.). The Bureau of National Affairs.
Chicago Style citaatGray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. Washington: The Bureau of National Affairs, 1973.
MLA citatieGray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. The Bureau of National Affairs, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.