APA (7 वां संस्करण) प्रशस्ति पत्र
Hammitt, W. E. (2015). Wildland recreation: Ecology and management (Third edition.). John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hammitt, William E. Wildland Recreation: Ecology and Management. Third edition. Chichester, West Sussex: John Wiley & Sons, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hammitt, William E. Wildland Recreation: Ecology and Management. Third edition. John Wiley & Sons, 2015.
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