Cita APA (7a ed.)
Ball, D. A. (1990). Instructor's manual to accompany international business (4th ed.). Homewood.
Cita Chicago Style (17a ed.)
Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Boston: Homewood, 1990.
Cita MLA (9a ed.)
Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Homewood, 1990.
Precaución: Estas citas no son 100% exactas.