Coolidge, S. M. (1974). What Katy did at school: Susan Coolidge. Bancroft.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoolidge, Susan M. What Katy Did at School: Susan Coolidge. London: Bancroft, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoolidge, Susan M. What Katy Did at School: Susan Coolidge. Bancroft, 1974.
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