Berulfsen, B., & Boardman, P. (1964). Elementary Norwegian: Draft of an audio-lingual method. University of Oslo International Summer School.
Style de citation Chicago (17e éd.)Berulfsen, Bjarne, et Philip Boardman. Elementary Norwegian: Draft of an Audio-lingual Method. Oslo: University of Oslo International Summer School, 1964.
Style de citation MLA (9e éd.)Berulfsen, Bjarne, et Philip Boardman. Elementary Norwegian: Draft of an Audio-lingual Method. University of Oslo International Summer School, 1964.
Attention : ces citations peuvent ne pas être correctes à 100%.