Cunningham, W. P., & Saigo , B. W. (1999). Environmental scince: A global concern (5th ed.). McGraw-Hill.
Chicagoスタイル(17版)引用形式Cunningham, William P., , Barbara Woodworth Saigo. Environmental Scince: A Global Concern. 5th ed. Boston: McGraw-Hill, 1999.
MLA(9版)引用形式Cunningham, William P., , Barbara Woodworth Saigo. Environmental Scince: A Global Concern. 5th ed. McGraw-Hill, 1999.
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