APA

Kuswa W., . (1984). The sales rep's letter book. New York, NY: American Management Associations.

Chicago

Kuswa Webster, . 1984. The sales rep's letter book. New York, NY: American Management Associations.

Harvard

Kuswa W., . (1984). The sales rep's letter book. New York, NY: American Management Associations.

MLA

Kuswa Webster, . The sales rep's letter book. New York, NY: American Management Associations. 1984.