APA

Ball D., . (2001). International Business: The Challenge of Global Competition. Boston: McGraw-Hill, Inc.

Chicago

Ball D.A, . 2001. International Business: The Challenge of Global Competition. Boston: McGraw-Hill, Inc.

Harvard

Ball D., . (2001). International Business: The Challenge of Global Competition. Boston: McGraw-Hill, Inc.

MLA

Ball D.A, . International Business: The Challenge of Global Competition. Boston: McGraw-Hill, Inc. 2001.