Cita APA

Bittel, L. R., & Bittel, L. R. (1976). Improving supervisory performance. New York, New York: McGraw-Hill.

Citación estilo Chicago

Bittel, Lester R., y Lester R. Bittel. Improving Supervisory Performance. New York, New York: McGraw-Hill, 1976.

Cita MLA

Bittel, Lester R., y Lester R. Bittel. Improving Supervisory Performance. New York, New York: McGraw-Hill, 1976.