APA aipamena

Harper, S. C. (2005). Extraordinary entrepreneurship: The professional's guide to starting an exceptional enterprise. Hoboken, N.J.: Wiley.

Chicago Style aipamena

Harper, Stephen C. Extraordinary Entrepreneurship: The Professional's Guide to Starting an Exceptional Enterprise. Hoboken, N.J.: Wiley, 2005.

MLA aipamena

Harper, Stephen C. Extraordinary Entrepreneurship: The Professional's Guide to Starting an Exceptional Enterprise. Hoboken, N.J.: Wiley, 2005.