Travers, A. (1988). Supervision: Techniques and new dimension. Prentice Hall.
Čikaški stil citiranja (17. izdanje)Travers, Alfred. Supervision: Techniques and New Dimension. New Jersey: Prentice Hall, 1988.
MLA način citiranja (9. izdanje)Travers, Alfred. Supervision: Techniques and New Dimension. Prentice Hall, 1988.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.