National Audubon Society, MasterVision (Firm), Opler, P. A., & Ebner, J. (2008). Audubon butterfly DVD: Essentials for beginners and gardeners. MasterVision.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Audubon Society, MasterVision (Firm), Paul A. Opler, और Jim Ebner. Audubon Butterfly DVD: Essentials for Beginners and Gardeners. [New York]: MasterVision, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Audubon Society, et al. Audubon Butterfly DVD: Essentials for Beginners and Gardeners. MasterVision, 2008.
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