Masters, L. A., Wallace, H. R., & Harwood, L. (2011). Personal development for life and work (10th ed.). South-Western Cengage Learning.
Παραπομπή σε μορφή Chicago (17η εκδ.)Masters, L. Ann, Harold R. Wallace, και Lauri Harwood. Personal Development for Life and Work. 10th ed. Australia, Mason, OH: South-Western Cengage Learning, 2011.
Παραπομπή σε μορφή MLA (9th εκδ.)Masters, L. Ann, et al. Personal Development for Life and Work. 10th ed. South-Western Cengage Learning, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.