Cita APA (7th ed.)

Ball, D. A. (1990). Instructor's manual to accompany international business (4th ed.). Homewood.

Cita Chicago (17th ed.)

Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Boston: Homewood, 1990.

Cita MLA (9th ed.)

Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Homewood, 1990.