Gaya APA

Swanson, C, P. (NULL). Structural notes and Corpus basis for the preparation of materials ì to teach english as aforeign language . Washington:: Washington: The committee on the Language Program American Council ìof Learned societies; 1952.

Gaya MLA

Swanson, Carl, P.. "Structural notes and Corpus basis for the preparation of materials ì to teach english as aforeign language". Washington:: Washington: The committee on the Language Program American Council ìof Learned societies; 1952, NULL. Text.