Cita APA (7th ed.)

Isaacson, L. E., & Brown, D. (1997). Career information, career counseling, and career development (6th ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Isaacson, Lee E., i Duane Brown. Career Information, Career Counseling, and Career Development. 6th ed. Boston: Allyn and Bacon, 1997.

Cita MLA (9th ed.)

Isaacson, Lee E., i Duane Brown. Career Information, Career Counseling, and Career Development. 6th ed. Allyn and Bacon, 1997.