APA-viite (7. p.)

Leland, K., & Bailey, K. (2009). E-mail in an instant: 60 ways to communicate with style and impact. Career Press.

Chicago-viite (17. p.)

Leland, Karen, ja Keith Bailey. E-mail in an Instant: 60 Ways to Communicate with Style and Impact. Franklin Lakes, N.J: Career Press, 2009.

MLA-viite (9. p.)

Leland, Karen, ja Keith Bailey. E-mail in an Instant: 60 Ways to Communicate with Style and Impact. Career Press, 2009.