Dirksen, C. (1997). Educator's English: Speaking and listening for Vietnamese teachers. [s.n.]: English Language Institute.
Chicago-stil citatDirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.
MLA-referensDirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.