Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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