Cunningham, William P. Principles of environmental science : inquiry and applications / William P. Cunningham, Mary Ann Cunningham. - 4th ed. - Boston, Mass. ; London : McGraw-Hill Higher Education, c2007 - xviii, 409 p. : ill. ; 28 cm. Previous ed.: c2004. Includes bibliographical references and index. ISBN: 9780070647725 0070647720 Subjects--Topical Terms: Environmental sciences. Dewey Class. No.: 363.7 / CUP 2007