Grylls, B. (2022). Never give up: My life in the wild. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrylls, Bear. Never Give Up: My Life in the Wild. Washington, D.C.: National Geographic, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrylls, Bear. Never Give Up: My Life in the Wild. National Geographic, 2022.
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