Tomlinson, J. (1980). Hilda the Hen Who Wouldn't Give up. Harcourt Brace Jovanovich.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTomlinson, Jill. Hilda the Hen Who Wouldn't Give Up. New York: Harcourt Brace Jovanovich, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTomlinson, Jill. Hilda the Hen Who Wouldn't Give Up. Harcourt Brace Jovanovich, 1980.
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