Dyfyniad APA

Van Ekeren, G. (2001). 12 simple secrets of happiness at work: Finding fulfillment, reaping rewards. Prentice Hall.

Dyfyniad Arddull Chicago

Van Ekeren, Glenn. 12 Simple Secrets of Happiness at Work: Finding Fulfillment, Reaping Rewards. Upper Saddle River, NJ: Prentice Hall, 2001.

Dyfyniad MLA

Van Ekeren, Glenn. 12 Simple Secrets of Happiness at Work: Finding Fulfillment, Reaping Rewards. Prentice Hall, 2001.

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