APA-viite

Dirksen, C. (1997). Educator's English: Speaking and listening for Vietnamese teachers. [s.n.]: English Language Institute.

Chicago-tyylinen lähdeviittaus

Dirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.

MLA-viite

Dirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.

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