Gaya APA

Ball, Donald A.. (1999). International Business: The Challenge of Global Competition (Seventh Edition). Boston: Irwin/McGraw-Hill.

Gaya Chicago

Ball, Donald A.. International Business: The Challenge of Global Competition. Seventh Edition Boston: Irwin/McGraw-Hill, 1999. Buku.

Gaya MLA

Ball, Donald A.. International Business: The Challenge of Global Competition. Seventh Edition Boston: Irwin/McGraw-Hill, 1999. Buku.

Gaya Turabian

Ball, Donald A.. International Business: The Challenge of Global Competition. Seventh Edition Boston: Irwin/McGraw-Hill, 1999. Buku.