O'Mara, S., & Gerrard, L. (2020). In praise of walking: A new scientific exploration (Unabridged.). HighBridge Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Mara, Shane, और Liam Gerrard. In Praise of Walking: A New Scientific Exploration. Unabridged. Prince Frederick: HighBridge Audio, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Mara, Shane, और Liam Gerrard. In Praise of Walking: A New Scientific Exploration. Unabridged. HighBridge Audio, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.