Dyfyniad APA

Callaway, J., & Callaway, J. (2012). Clients first: The two word miracle. Wiley.

Dyfyniad Arddull Chicago

Callaway, Joseph, and JoAnn Callaway. Clients First: The Two Word Miracle. Hoboken, N.J.: Wiley, 2012.

Dyfyniad MLA

Callaway, Joseph, and JoAnn Callaway. Clients First: The Two Word Miracle. Wiley, 2012.

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