APA (7th ed.) Zitazioa
Andrews, J. (2010). CompTIA A+ 2009 in depth. Course Technology.
Chicago Style (17th ed.) Zitazioa
Andrews, Jean. CompTIA A+ 2009 in Depth. Boston, MA: Course Technology, 2010.
MLA (9th ed.) Zitazioa
Andrews, Jean. CompTIA A+ 2009 in Depth. Course Technology, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.