APA (7e ed.) Bronvermelding
Ball, D. A. (1990). Instructor's manual to accompany international business (4th ed.). Homewood.
Chicago (17e ed.) Bronvermelding
Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Boston: Homewood, 1990.
MLA (9e ed.) Bronvermelding
Ball, Donald A. Instructor's Manual to Accompany International Business. 4th ed. Homewood, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.