Rexroth, K. (1956). In defense of the earth: Kenneth Rexroth. New Directions Book.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRexroth, Kenneth. In Defense of the Earth: Kenneth Rexroth. New Directions Book, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRexroth, Kenneth. In Defense of the Earth: Kenneth Rexroth. New Directions Book, 1956.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.