APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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