APA (7th ed.) Citation

Jones, L., & Alexander, R. (1989). International business English: Communication skills in English for business purposes. Klett [u.a.].

Chicago Style (17th ed.) Citation

Jones, Leo, and Richard Alexander. International Business English: Communication Skills in English for Business Purposes. Stuttgart [u.a.]: Klett [u.a.], 1989.

MLA (9th ed.) Citation

Jones, Leo, and Richard Alexander. International Business English: Communication Skills in English for Business Purposes. Klett [u.a.], 1989.