Cita APA (7th ed.)

JONES, L., & ALEXANDER, R. (1989). International business english: A course communication skills in English for business purposes. Cambridge Univ. Press.

Cita Chicago (17th ed.)

JONES, Leo, i Richard ALEXANDER. International Business English: A Course Communication Skills in English for Business Purposes. New York: Cambridge Univ. Press, 1989.

Cita MLA (9th ed.)

JONES, Leo, i Richard ALEXANDER. International Business English: A Course Communication Skills in English for Business Purposes. Cambridge Univ. Press, 1989.