Erdos, P., & Spencer, J. H. j. a. (1974). Probabilistic methods in combinators. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रErdos, Paul, और Joel H. joint author Spencer. Probabilistic Methods in Combinators. New York: Academic Press, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रErdos, Paul, और Joel H. joint author Spencer. Probabilistic Methods in Combinators. Academic Press, 1974.
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