Dyfyniad APA

Ury, W. (1991). Getting past no: Negotiating with difficult people. Bantam Books.

Dyfyniad Arddull Chicago

Ury, William. Getting Past No: Negotiating with Difficult People. New York: Bantam Books, 1991.

Dyfyniad MLA

Ury, William. Getting Past No: Negotiating with Difficult People. Bantam Books, 1991.

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