Gaya APA

Cohen, W, A. (1990). The Entrepreneurship and Small Business Problem Solver; An Encylopedia Reference and Guide (2). Canada: John Wiley & Sons.

Gaya MLA

Cohen, William, A.. "The Entrepreneurship and Small Business Problem Solver; An Encylopedia Reference and Guide". 2 Canada: John Wiley & Sons, 1990. Textbook.