The professional approach to modern salesmanship

MLA

Schlain, Bert H. The professional approach to modern salesmanship. New York : McGraw-Hill, [1966]

APA

Schlain, B. (1966). The professional approach to modern salesmanship. New York : McGraw-Hill.

Chicago

Schlain, Bert H. The professional approach to modern salesmanship. New York : McGraw-Hill, [1966]