APA-viite

Jonker, N. (1998). Further ahead: A communication skills course for business English : teacher's guide. Cambridge University Press.

Chicago-tyylinen lähdeviittaus

Jonker, Niels. Further Ahead: A Communication Skills Course for Business English : Teacher's Guide. Cambridge University Press, 1998.

MLA-viite

Jonker, Niels. Further Ahead: A Communication Skills Course for Business English : Teacher's Guide. Cambridge University Press, 1998.

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