APA-Zitierstil (7. Ausg.)

Freed, B. F. (1991). Foreign language acquisition research and the classroom. Heath.

Chicago-Zitierstil (17. Ausg.)

Freed, Barbara F. Foreign Language Acquisition Research and the Classroom. Lexington, Mass. [u.a.]: Heath, 1991.

MLA-Zitierstil (9. Ausg.)

Freed, Barbara F. Foreign Language Acquisition Research and the Classroom. Heath, 1991.