APA সাইটেশন

Cohen, W. A. .. (1991). The entrepreneur and small business marketing problem solver. New York: John Wiley.

শিকাগো স্টাইলে সাইটেশন

Cohen, William A. The Entrepreneur and Small Business Marketing Problem Solver. New York: John Wiley, 1991.

এমএলএ সাইটেশন

Cohen, William A. The Entrepreneur and Small Business Marketing Problem Solver. New York: John Wiley, 1991.