Gaya APA

Ivey, A, E., Lynn, S, D. (1980). Counseling and psychotherapy : skills, theories and practice . New Jersey: Prentice-Hall.

Gaya MLA

Ivey, Allen, E.., Lynn, Simek-, Downing. "Counseling and psychotherapy : skills, theories and practice". New Jersey: Prentice-Hall, 1980. Text.