Jeremy Comford. (1996). Effective presentations (Student's book). Oxford: Oxford Univ. Press.
Chicago Style aipamenaJeremy Comford. Effective Presentations (Student's Book). Oxford: Oxford Univ. Press, 1996.
MLA aipamenaJeremy Comford. Effective Presentations (Student's Book). Oxford: Oxford Univ. Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.