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.
Chicago-referens (17:e uppl.)Copyright Paperback Collection (Library of Congress), Elaine Fox, Jeaniene Frost, Cathy Maxwell, Sophia Nash, och Tracy Anne Warren. Four Dukes and a Devil. New York: Avon Books, 2009.
MLA-referens (8:e uppl.)Copyright Paperback Collection (Library of Congress), et al. Four Dukes and a Devil. Avon Books, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.