Bellows, R. M. (1962). Executive skills: Their dynamics and development. Prentice-Hall.
Cita Chicago Style (17a ed.)Bellows, Roger Marion. Executive Skills: Their Dynamics and Development. Englewood Cliffs, N. J: Prentice-Hall, 1962.
Cita MLA (9a ed.)Bellows, Roger Marion. Executive Skills: Their Dynamics and Development. Prentice-Hall, 1962.
Precaución: Estas citas no son 100% exactas.