APA-viite

Leterman, E. G. (1973). Modern business: Sales and sales management. Alexander Hamilton Institute.

Chicago-tyylinen lähdeviittaus

Leterman, Elmer G. Modern Business: Sales and Sales Management. New York: Alexander Hamilton Institute, 1973.

MLA-viite

Leterman, Elmer G. Modern Business: Sales and Sales Management. Alexander Hamilton Institute, 1973.