APA-ийн эшлэл(7 дахь хэвлэлт)

Ball, D. A., & McCulloch, W. H. (1989). International business: Introduction and essentials (3rd ed.). Irwin.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ball, Donald A., ба Wendell H. McCulloch. International Business: Introduction and Essentials. 3rd ed. Homewood, Illinois: Irwin, 1989.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ball, Donald A., ба Wendell H. McCulloch. International Business: Introduction and Essentials. 3rd ed. Irwin, 1989.