APA

Zimmer A. E., . (1966). The strategy of successful retail salesmanship. New York: McGraw-Hill.

Chicago

Zimmer Allen E, . 1966. The strategy of successful retail salesmanship. New York: McGraw-Hill.

Harvard

Zimmer A. E., . (1966). The strategy of successful retail salesmanship. New York: McGraw-Hill.

MLA

Zimmer Allen E, . The strategy of successful retail salesmanship. New York: McGraw-Hill. 1966.