Welsh, J. H. (1953). Laboratory exercises in invertebrate physiology. Burgess Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWelsh, John H. Laboratory Exercises in Invertebrate Physiology. Burgess Publishing, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWelsh, John H. Laboratory Exercises in Invertebrate Physiology. Burgess Publishing, 1953.
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