APA

,, . (1990). Talking listning : Keys to success with customers and co-workers. Chicago: The Institute of Financial Education.

Chicago

,, . 1990. Talking listning : Keys to success with customers and co-workers. Chicago: The Institute of Financial Education.

Harvard

,, . (1990). Talking listning : Keys to success with customers and co-workers. Chicago: The Institute of Financial Education.

MLA

,, . Talking listning : Keys to success with customers and co-workers. Chicago: The Institute of Financial Education. 1990.