Goodman, G. S. (1982). Winning by telephone: Telephone effectiveness for business professionals and consumers. Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Goodman, Gary S. Winning by Telephone: Telephone Effectiveness for Business Professionals and Consumers. Englewood Cliffs, N.J: Prentice-Hall, 1982.
MLA-Zitierstil (9. Ausg.)Goodman, Gary S. Winning by Telephone: Telephone Effectiveness for Business Professionals and Consumers. Prentice-Hall, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.