Gaya APA

Ball, D, A, ;, G, J, M, ;, M, J, M, ;, M, M, S. (2012). International Business : The Challenge of Global Competition . : MC Graw Hill Ed..

Gaya MLA

Ball, Don, A., ;, Geringer,, J., Michael, ;, McNett,, Jeanne, M., ;, Minor,, Michael, S.. "International Business : The Challenge of Global Competition". : MC Graw Hill Ed., 2012. Text.