Gonick, L., & Outwater, A. (1996). The cartoon guide to the environment. Harper Resource.
Chicago Style (17. basım) AtıfGonick, Larry, ve Alice Outwater. The Cartoon Guide to the Environment. New York: Harper Resource, 1996.
MLA (9th ed.) AtıfGonick, Larry, ve Alice Outwater. The Cartoon Guide to the Environment. Harper Resource, 1996.
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