Copyright Paperback Collection (Library of Congress), Fox, E., Frost, J., Maxwell, C., Nash, S., & Warren, T. A. (2009). Four dukes and a devil. Avon Books.
Čikaški stil citiranja (17. izdanje)Copyright Paperback Collection (Library of Congress), Elaine Fox, Jeaniene Frost, Cathy Maxwell, Sophia Nash, i Tracy Anne Warren. Four Dukes and a Devil. New York: Avon Books, 2009.
MLA način citiranja (8. izdanje)Copyright Paperback Collection (Library of Congress), et al. Four Dukes and a Devil. Avon Books, 2009.
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