Leland, K., & Bailey, K. (2009). E-mail in an instant: 60 ways to communicate with style and impact. Career Press.
Lua i Stíl Chicago (17ú heag.)Leland, Karen, agus Keith Bailey. E-mail in an Instant: 60 Ways to Communicate with Style and Impact. Franklin Lakes, N.J: Career Press, 2009.
Lua MLA (9ú heag.)Leland, Karen, agus Keith Bailey. E-mail in an Instant: 60 Ways to Communicate with Style and Impact. Career Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.