WOLFE JOSEPH. (2003). GLOBAL BUSINESS GAME-C. SOUTH-WESTERN COLLEGE PUBLISHING CO.
Chicago-viite (17. p.)WOLFE JOSEPH. GLOBAL BUSINESS GAME-C. AUSTRALIA: SOUTH-WESTERN COLLEGE PUBLISHING CO, 2003.
MLA-viite (9. p.)WOLFE JOSEPH. GLOBAL BUSINESS GAME-C. SOUTH-WESTERN COLLEGE PUBLISHING CO, 2003.
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