Gaya APA

Koehn, N, F. (2009). The story of American business: from thr front pages of the New york Times (1). United States of America: Harvard Business School Press.

Gaya MLA

Koehn, Nancy, F.. "The story of American business: from thr front pages of the New york Times". 1 United States of America: Harvard Business School Press, 2009. Text.