Nelson, D. (1997). Student Study Guide to Accompany Environmental Science: A Global Concern (4th ed.). WCB/McGraw-Hill.
Chicago Style (17th ed.) CitationNelson, Darby. Student Study Guide to Accompany Environmental Science: A Global Concern. 4th ed. Boston: WCB/McGraw-Hill, 1997.
MLA (9th ed.) CitationNelson, Darby. Student Study Guide to Accompany Environmental Science: A Global Concern. 4th ed. WCB/McGraw-Hill, 1997.
Warning: These citations may not always be 100% accurate.