Dyfyniad APA

Tyson, K. W. (1997). Competition in the 21st century. St. Lucie Press.

Dyfyniad Arddull Chicago

Tyson, Kirk W.M. Competition in the 21st Century. Delray Beach, FL: St. Lucie Press, 1997.

Dyfyniad MLA

Tyson, Kirk W.M. Competition in the 21st Century. St. Lucie Press, 1997.

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