Kress, S. W. (1995). The bird garden (1st American ed.). Dorling Kindersley ; Distributed by Houghton Mifflin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKress, Stephen W. The Bird Garden. 1st American ed. London ; New York : Boston: Dorling Kindersley ; Distributed by Houghton Mifflin, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKress, Stephen W. The Bird Garden. 1st American ed. Dorling Kindersley ; Distributed by Houghton Mifflin, 1995.
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