Ackery, E. b. R. V. a. P. The biology of butterflies. Macmillan Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAckery, Edited by R.I. Vane-Wright and P.R. The Biology of Butterflies. Macmillan Education.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAckery, Edited by R.I. Vane-Wright and P.R. The Biology of Butterflies. Macmillan Education.
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