APA (7th ed.) Zitazioa
Isaacson, L. E. (1977). Career information in counseling and teaching (r3d ed.). Allyn and Bacon.
Chicago Style (17th ed.) Zitazioa
Isaacson, Lee E. Career Information in Counseling and Teaching. r3d ed. Boston: Allyn and Bacon, 1977.
MLA (9th ed.) Zitazioa
Isaacson, Lee E. Career Information in Counseling and Teaching. r3d ed. Allyn and Bacon, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.