Cita APA (7th ed.)
Gutknecht, C. (1975). Contributions to applied linguistics. Lang.
Cita Chicago (17th ed.)
Gutknecht, Christoph. Contributions to Applied Linguistics. Bern, Frankfurt a. M., Las Vegas: Lang, 1975.
Cita MLA (9th ed.)
Gutknecht, Christoph. Contributions to Applied Linguistics. Lang, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.