APA aipamena

Gray, O. S. (1973). Cases and materials on environmental law (2nd ed.). The Bureau of National Affairs.

Chicago Style aipamena

Gray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. Washington: The Bureau of National Affairs, 1973.

MLA aipamena

Gray, Oscar S. Cases and Materials on Environmental Law. 2nd ed. The Bureau of National Affairs, 1973.

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