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.