Keene, C. (2006). Nancy Drew Girl Detective: En Garde No. 17. Aladdin Paperbacks.
Chicago-čujuhus (17. p.)Keene, Carolyn. Nancy Drew Girl Detective: En Garde No. 17. New York: Aladdin Paperbacks, 2006.
MLA-čujuhus (9. p.)Keene, Carolyn. Nancy Drew Girl Detective: En Garde No. 17. Aladdin Paperbacks, 2006.
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