Dyfyniad APA

Hybels, S. (1986). Communicating effectively. Random House.

Dyfyniad Arddull Chicago

Hybels, Saundra. Communicating Effectively. Random House, 1986.

Dyfyniad MLA

Hybels, Saundra. Communicating Effectively. Random House, 1986.

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