Enger, E. D., & Smith, B. F. (2004). Environmental science: [Đĩa CD-ROM] (9th ed.). Boston: McGraw-Hill Higher Education.
Chicago Style CitationEnger, Eldon D., and Bradley Fraser Smith. Environmental Science: [Đĩa CD-ROM]. 9th ed. Boston: McGraw-Hill Higher Education, 2004.
MLA CitationEnger, Eldon D., and Bradley Fraser Smith. Environmental Science: [Đĩa CD-ROM]. 9th ed. Boston: McGraw-Hill Higher Education, 2004.
Warning: These citations may not always be 100% accurate.