Collins, B. (1998). Picnic, lightning. University of Pittsburgh Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins, Billy. Picnic, Lightning. Pittsburgh, Pa.: University of Pittsburgh Press, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollins, Billy. Picnic, Lightning. University of Pittsburgh Press, 1998.
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