Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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