McDougall, L. (2019). The scouting guide to tracking: More than 100 essential skills for identifying and trailing animals. Skyhorse Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcDougall, Len. The Scouting Guide to Tracking: More than 100 Essential Skills for Identifying and Trailing Animals. New York, NY: Skyhorse Publishing, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcDougall, Len. The Scouting Guide to Tracking: More than 100 Essential Skills for Identifying and Trailing Animals. Skyhorse Publishing, 2019.
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