Dyfyniad APA

Covey, S. R. (2006). The 8th habit: From effectiveness to greatness (Miniature ed.). Running Press.

Dyfyniad Arddull Chicago

Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. Miniature ed. Philadelphia, PA: Running Press, 2006.

Dyfyniad MLA

Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. Miniature ed. Running Press, 2006.

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