Gallasch, P. (1997). The supervision survival manual. Prentice Hall.
Cita Chicago (17th ed.)Gallasch, P.A. The Supervision Survival Manual. Sydney: Prentice Hall, 1997.
Cita MLA (9th ed.)Gallasch, P.A. The Supervision Survival Manual. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.