Dyfyniad APA

Harvard Business Review. (2011). Communicating Effectively. Harvard Business Review.

Dyfyniad Arddull Chicago

Harvard Business Review. Communicating Effectively. Boston: Harvard Business Review, 2011.

Dyfyniad MLA

Harvard Business Review. Communicating Effectively. Harvard Business Review, 2011.

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