Cita APA

Frederick, J. G. (1929). Selling by telephone. Business Bourse Publishers.

Citación estilo Chicago

Frederick, J. George. Selling by Telephone. New York: Business Bourse Publishers, 1929.

Cita MLA

Frederick, J. George. Selling by Telephone. Business Bourse Publishers, 1929.

Warning: These citations may not always be 100% accurate.