APA Citatie

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 citaat

Gibson, Robert L., en Robert L. Gibson; Marianne H. Mitchell. Introduction to Counseling and Guidance. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall.

MLA citatie

Gibson, Robert L., en Robert L. Gibson; Marianne H. Mitchell. Introduction to Counseling and Guidance. Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall.