APA

Sager A. W., . (1968). Speak your way to success: a guide to effective speaking in business and the professions. New York: McGraw-Hill.

Chicago

Sager Arthur W, . 1968. Speak your way to success: a guide to effective speaking in business and the professions. New York: McGraw-Hill.

Harvard

Sager A. W., . (1968). Speak your way to success: a guide to effective speaking in business and the professions. New York: McGraw-Hill.

MLA

Sager Arthur W, . Speak your way to success: a guide to effective speaking in business and the professions. New York: McGraw-Hill. 1968.