Dyfyniad APA
Hanna, K. (2016). Mastering Skype for business 2015. John Wiley and Sons.
Dyfyniad Arddull Chicago
Hanna, Keith. Mastering Skype for Business 2015. Indianapolis, IN: John Wiley and Sons, 2016.
Dyfyniad MLA
Hanna, Keith. Mastering Skype for Business 2015. John Wiley and Sons, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.