Dyfyniad APA

Halvorson, H. G. (2012). Nine things successful people do differently (1.). Harvard business review press.

Dyfyniad Arddull Chicago

Halvorson, Heidi Grant. Nine Things Successful People Do Differently. 1. Boston: Harvard business review press, 2012.

Dyfyniad MLA

Halvorson, Heidi Grant. Nine Things Successful People Do Differently. 1. Harvard business review press, 2012.

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