Christensen, O. (2008). Frames and bases: An introductory course. Birkhauser.
Chicago Style aipamenaChristensen, Ole. Frames and Bases: An Introductory Course. Boston: Birkhauser, 2008.
MLA aipamenaChristensen, Ole. Frames and Bases: An Introductory Course. Birkhauser, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.