APA Style

Cohen, W, A. (1990). The Entrepreneur & Small Busines Problem Solver : An Encyclopedic Reference and Guide (2). New York: New York: John Wiley & Sons.

MLA Style

Cohen, William, A.. "The Entrepreneur & Small Busines Problem Solver : An Encyclopedic Reference and Guide". 2 New York: New York: John Wiley & Sons, 1990. Teks.