Walker. Island, River, and Field. University of New Mexico Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker. Island, River, and Field. University of New Mexico Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalker. Island, River, and Field. University of New Mexico Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.