Coolidge, S. (1976). What Katy did next: Abridged / Susan Coolidge. Purnell.
Čikaški stil citiranja (17. izdanje)Coolidge, Susan. What Katy Did Next: Abridged / Susan Coolidge. Bristol: Purnell, 1976.
MLA način citiranja (8. izdanje)Coolidge, Susan. What Katy Did Next: Abridged / Susan Coolidge. Purnell, 1976.
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