WARDEN, C. (2015). Learning with nature: Embedding outdoor practice. SAGE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWARDEN, Claire. Learning with Nature: Embedding Outdoor Practice. SAGE, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWARDEN, Claire. Learning with Nature: Embedding Outdoor Practice. SAGE, 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.