Taylor, K. (2011). Fifty ways to improve your telephoning and teleconferencing skills without too much effort. Orient Blackswan.
Chicago Style aipamenaTaylor, Ken. Fifty Ways to Improve Your Telephoning and Teleconferencing Skills Without Too Much Effort. Hyderabad: Orient Blackswan, 2011.
MLA aipamenaTaylor, Ken. Fifty Ways to Improve Your Telephoning and Teleconferencing Skills Without Too Much Effort. Orient Blackswan, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.