Ball, D. A., & McCulloch, H. W. (1993). International business: Introduction and essentials (5th ed.). Irwin.
芝加哥风格引文Ball, Donald A., 与 H. Wendell McCulloch. International Business: Introduction and Essentials. 5th ed. Burr Ridge, Ill: Irwin, 1993.
MLA引文Ball, Donald A., 与 H. Wendell McCulloch. International Business: Introduction and Essentials. 5th ed. Irwin, 1993.
警告：这些引文格式不一定是100％准确.