Grant, W. E., Pedersen, E. K., & Marin, S. L. (1997). Ecology and natural resource management: Systems analysis and simulation. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrant, William E., Ellen K. Pedersen, और Sandra L. Marin. Ecology and Natural Resource Management: Systems Analysis and Simulation. Canada: Wiley, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGrant, William E., et al. Ecology and Natural Resource Management: Systems Analysis and Simulation. Wiley, 1997.
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