Dyfyniad APA
Levine, S. (2002). The book of agreement: 10 essential elements for getting the results you want. Berrett-Koehler.
Dyfyniad Arddull Chicago
Levine, Stewart. The Book of Agreement: 10 Essential Elements for Getting the Results You Want. San Francisco: Berrett-Koehler, 2002.
Dyfyniad MLA
Levine, Stewart. The Book of Agreement: 10 Essential Elements for Getting the Results You Want. Berrett-Koehler, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.