Cita APA (7a ed.)

BALL, D. A., & McCULLOCH, W. H. J. (1989). International Business: : Introduction and Essentials (3 th. ed.). BPI Irwin.

Cita Chicago Style (17a ed.)

BALL, Donald A., y Wendel H. Jr McCULLOCH. International Business: : Introduction and Essentials. 3 th. ed. Homewood, Ill: BPI Irwin, 1989.

Cita MLA (9a ed.)

BALL, Donald A., y Wendel H. Jr McCULLOCH. International Business: : Introduction and Essentials. 3 th. ed. BPI Irwin, 1989.