Gaya APA

Debelak, D. (1997). Entrepreneur magazine: bringing a product to market. Rev. Ed. (Rev. Ed.). New York: John Wiley & Sons, Inc..

Gaya MLA

Debelak, Don. "Entrepreneur magazine: bringing a product to market. Rev. Ed.". Rev. Ed. New York: John Wiley & Sons, Inc., 1997. Text.