Pepper, D. (1997). Modern environmentalism: An introduction. Routledge.
Chicagoスタイル(17版)引用形式Pepper, David. Modern Environmentalism: An Introduction. --New York: Routledge, 1997.
MLA(9版)引用形式Pepper, David. Modern Environmentalism: An Introduction. Routledge, 1997.
警告: この引用は必ずしも正確ではありません.