Cohen, D., & Dave Cohen; with theodre B. Lee and David Sklar. (2005). Precalculus: A problems-oriented approach. Minneapolis/St. Paul: West.
Čikaški stil citiranjaCohen, Dave, i Dave Cohen; with theodre B. Lee and David Sklar. Precalculus: A Problems-oriented Approach. Minneapolis/St. Paul: West, 2005.
MLA način citiranjaCohen, Dave, i Dave Cohen; with theodre B. Lee and David Sklar. Precalculus: A Problems-oriented Approach. Minneapolis/St. Paul: West, 2005.
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