Dyfyniad APA

Carkhuff, R. R. (1984). Helping and human relations. Human Resource Development Press.

Dyfyniad Arddull Chicago

Carkhuff, Robert R. Helping and Human Relations. Amherst, Mass: Human Resource Development Press, 1984.

Dyfyniad MLA

Carkhuff, Robert R. Helping and Human Relations. Human Resource Development Press, 1984.

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