APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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