APA (7th ed.) Zitazioa
Clarke, D. J. (2008). Heroes and villains: Teachers in the education response to HIV.
Chicago Style (17th ed.) Zitazioa
Clarke, David J. Heroes and Villains: Teachers in the Education Response to HIV. 2008.
MLA (9th ed.) Zitazioa
Clarke, David J. Heroes and Villains: Teachers in the Education Response to HIV. 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.