APA stil citiranja
Gross, M. P., Zimmerman, R., Heintzman, J., & Zimmerman, D. (2002). Interpretive centers: Interpretive centers : the history, design, and development of nature and visitor centers. Stevens Point, WI: UW-SP Foundation Press.
Chicago stil citiranjaGross, Michael P., Ronald Zimmerman, James Heintzman, and Donna Zimmerman. Interpretive centers: Interpretive centers : the history, design, and development of nature and visitor centers. Stevens Point, WI: UW-SP Foundation Press, 2002.
MLA stil citiranjaGross, Michael P., Ronald Zimmerman, James Heintzman, and Donna Zimmerman. Interpretive centers: Interpretive centers : the history, design, and development of nature and visitor centers. Stevens Point, WI: UW-SP Foundation Press, 2002.
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