Cita APA (7th ed.)

Trewatha, R. L., & Newport, M. G. (1982). Management (3a. ed.). Business Publications.

Cita Chicago (17th ed.)

Trewatha, Robert L., i M. Gene Newport. Management. 3a. ed. Business Publications, 1982.

Cita MLA (9th ed.)

Trewatha, Robert L., i M. Gene Newport. Management. 3a. ed. Business Publications, 1982.