Cita APA

Beckman, R. O. (1952). How to train supervisors; manual and outlines for determinate discussion (4th rev. ed.). Harper.

Citación estilo Chicago

Beckman, R O. How to Train Supervisors; Manual and Outlines for Determinate Discussion. 4th rev. ed. New York: Harper, 1952.

Cita MLA

Beckman, R O. How to Train Supervisors; Manual and Outlines for Determinate Discussion. 4th rev. ed. Harper, 1952.