APA (7. basım) Alıntı
Culbertson, J. Contract Bridge Made Easy: The New Point-Count Way. John C. Winston.
Chicago Style (17. basım) Atıf
Culbertson, Josephine. Contract Bridge Made Easy: The New Point-Count Way. Filadelfia, EUA: John C. Winston.
MLA (9th ed.) Atıf
Culbertson, Josephine. Contract Bridge Made Easy: The New Point-Count Way. John C. Winston.
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