Παραπομπή APA

Christensen, O. (2008). Frames and bases: An introductory course. Birkhauser.

Παραπομπή Chicago Style

Christensen, Ole. Frames and Bases: An Introductory Course. Boston: Birkhauser, 2008.

Παραπομπή MLA

Christensen, Ole. Frames and Bases: An Introductory Course. Birkhauser, 2008.