Greenall, S. (2002). Cae: Reading skills. U.pr.
Chicago Style (17th ed.) ZitazioaGreenall, Simon. Cae: Reading Skills. Cambridge: U.pr, 2002.
MLA (9th ed.) ZitazioaGreenall, Simon. Cae: Reading Skills. U.pr, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.