Hartmann, P. (2009). Interactions Access: Reading. McGraw-Hill.
Chicago Style aipamenaHartmann, Pamela. Interactions Access: Reading. McGraw-Hill, 2009.
MLA aipamenaHartmann, Pamela. Interactions Access: Reading. McGraw-Hill, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.