APA-Zitierstil (7. Ausg.)

Richterich, R. (1980). Identifying the needs of adults learning a foreign language ([2. ed.].). Pergamon Press.

Chicago-Zitierstil (17. Ausg.)

Richterich, René. Identifying the Needs of Adults Learning a Foreign Language. [2. ed.]. Oxford [u.a.]: Pergamon Press, 1980.

MLA-Zitierstil (9. Ausg.)

Richterich, René. Identifying the Needs of Adults Learning a Foreign Language. [2. ed.]. Pergamon Press, 1980.