Ecker, P. (1959). Handbook for supervisors. Prentice-Hall.
Citación estilo ChicagoEcker, Paul. Handbook for Supervisors. Englewood Cliffs, N. J: Prentice-Hall, 1959.
Cita MLAEcker, Paul. Handbook for Supervisors. Prentice-Hall, 1959.
Warning: These citations may not always be 100% accurate.