Dyfyniad APA

Harvard Business Review. (2004). Managers Toolkit. Harvard Business Review.

Dyfyniad Arddull Chicago

Harvard Business Review. Managers Toolkit. Boston: Harvard Business Review, 2004.

Dyfyniad MLA

Harvard Business Review. Managers Toolkit. Harvard Business Review, 2004.

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