Ann Handley: Everybody Writes: Your Go-To Guide to Creating Ridiculously Good Content. John Wiley & Sons, 2014-09-02. ISBN 9781118905616. Teoksen verkkoversio (viitattu 20.8.2018). en
Corinne Hoisington: Technology Now: Your Companion to SAM Computer Concepts. Cengage Learning, 2014-06-10. ISBN 9781305445918. Teoksen verkkoversio (viitattu 20.8.2018). en