Gaya APA

Wick, C, W., Leon, L, S. (1993). The Leaning EDGE : How Smart managers and Smart Companies Stay Ahead . New York: McGraw-Hill.

Gaya MLA

Wick, Calhoun, W., Leon, Lu, Stanton. "The Leaning EDGE : How Smart managers and Smart Companies Stay Ahead". New York: McGraw-Hill, 1993. Textbook.