Springfield, R. (2012). Songs for the end of the world. Universal Music Enterprises.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpringfield, Rick. Songs for the End of the World. Santa Monica, CA: Universal Music Enterprises, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpringfield, Rick. Songs for the End of the World. Universal Music Enterprises, 2012.
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