Avolio, F. M., & Vixie, P. A. (1995). Sendmail: Theory and practice. Digital Press.
Lua i Stíl Chicago (17ú heag.)Avolio, Frederick M., agus Paul A. Vixie. Sendmail: Theory and Practice. Boston: Digital Press, 1995.
Lua MLA (9ú heag.)Avolio, Frederick M., agus Paul A. Vixie. Sendmail: Theory and Practice. Digital Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.