Cita APA (7th ed.)

Canfield, B. R. (1961). Sales administration, principles and problems (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Canfield, Bertrand R. Sales Administration, Principles and Problems. 4th ed. Englewood Cliffs, N. J: Prentice-Hall, 1961.

Cita MLA (9th ed.)

Canfield, Bertrand R. Sales Administration, Principles and Problems. 4th ed. Prentice-Hall, 1961.