Παραπομπή σε μορφή APA (7η εκδ.)

Shartle, C. L. (1952). Occupational information, its development and application (2nd ed.). Prentice-Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1952.

Παραπομπή σε μορφή MLA (9th εκδ.)

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. 2nd ed. Prentice-Hall, 1952.