Gaya APA

Jones, Leo, Alexander, Richard. (1989). International business english : communication skills in english for business purposes students book . New York: Cambridge University Press.

Gaya Chicago

Jones, Leo, Alexander, Richard. International business english : communication skills in english for business purposes students book. New York: Cambridge University Press, 1989. Buku.

Gaya MLA

Jones, Leo, Alexander, Richard. International business english : communication skills in english for business purposes students book. New York: Cambridge University Press, 1989. Buku.

Gaya Turabian

Jones, Leo, Alexander, Richard. International business english : communication skills in english for business purposes students book. New York: Cambridge University Press, 1989. Buku.