APA

Watson-Delestree A., . (1992). Basic Telephone Training. Boston: Thomson.

Chicago

Watson-Delestree A, . 1992. Basic Telephone Training. Boston: Thomson.

Harvard

Watson-Delestree A., . (1992). Basic Telephone Training. Boston: Thomson.

MLA

Watson-Delestree A, . Basic Telephone Training. Boston: Thomson. 1992.