Dyfyniad APA

Roberts, M. J. (2007). New business ventures and the entrepreneur (6th ed.). Boston, Mass.: McGraw-Hill.

Dyfyniad Arddull Chicago

Roberts, Michael J. New Business Ventures and the Entrepreneur. 6th ed. Boston, Mass.: McGraw-Hill, 2007.

Dyfyniad MLA

Roberts, Michael J. New Business Ventures and the Entrepreneur. 6th ed. Boston, Mass.: McGraw-Hill, 2007.

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