Kagan, D. (1996). Western heritage brief: Study guide and work book. Prentice Hall.
Cita Chicago (17th ed.)Kagan, Donald. Western Heritage Brief: Study Guide and Work Book. New Jersey: Prentice Hall, 1996.
Cita MLA (9th ed.)Kagan, Donald. Western Heritage Brief: Study Guide and Work Book. Prentice Hall, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.