APA (7e ed.) Bronvermelding

Isaacson, L. E. (1977). Career information in counseling and teaching (r3d ed.). Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Isaacson, Lee E. Career Information in Counseling and Teaching. r3d ed. Boston: Allyn and Bacon, 1977.

MLA (9e ed.) Bronvermelding

Isaacson, Lee E. Career Information in Counseling and Teaching. r3d ed. Allyn and Bacon, 1977.