Dyfyniad APA

Hisrich, R. D., Peters, M. P., & Shepherd, D. A. (2013). Entrepreneurship (9th ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Hisrich, Robert D., Michael P. Peters, and Dean A. Shepherd. Entrepreneurship. 9th ed. New York, NY: McGraw-Hill/Irwin, 2013.

Dyfyniad MLA

Hisrich, Robert D., et al. Entrepreneurship. 9th ed. McGraw-Hill/Irwin, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.