Bolton, R. (1987). People skills: How to assert yourself, listen to others, and resolve conflicts. Brookvale, N.S.W: Simon and Schuster Australia.
Dyfyniad Arddull ChicagoBolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. Brookvale, N.S.W: Simon and Schuster Australia, 1987.
Dyfyniad MLABolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. Brookvale, N.S.W: Simon and Schuster Australia, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.