APA

Grad F. P., . (1985). Environmental law. New York, N.Y. (235 E. 45th St., New York 10017): M. Bender.

Chicago

Grad Frank P, . 1985. Environmental law. New York, N.Y. (235 E. 45th St., New York 10017): M. Bender.

Harvard

Grad F. P., . (1985). Environmental law. New York, N.Y. (235 E. 45th St., New York 10017): M. Bender.

MLA

Grad Frank P, . Environmental law. New York, N.Y. (235 E. 45th St., New York 10017): M. Bender. 1985.