Gibson, R. L., & Robert L. Gibson; Marianne H. Mitchell. Introduction to counseling and guidance. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall.
Chicago Style citaatGibson, Robert L., en Robert L. Gibson; Marianne H. Mitchell. Introduction to Counseling and Guidance. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall.
MLA citatieGibson, Robert L., en Robert L. Gibson; Marianne H. Mitchell. Introduction to Counseling and Guidance. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall.
Let op: Deze citaties zijn niet altijd 100% accuraat.