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Dyfyniad Arddull ChicagoFord, Loren. Human Relations: A Game Plan for Improving Personal Adjustment. 2nd ed. Upper Saddle River, New Jersey: Prentice Hall, 2001.
Dyfyniad MLAFord, Loren. Human Relations: A Game Plan for Improving Personal Adjustment. 2nd ed. Prentice Hall, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.