APA ציטוט

Dobson, J. M. (1996). Effective techniques for English conversation groups. D.C.: U.S. Information Agency.

Trích dẫn kiểu Chicago

Dobson, Julia M. Effective Techniques for English Conversation Groups. D.C.: U.S. Information Agency, 1996.

ציטוט MLA

Dobson, Julia M. Effective Techniques for English Conversation Groups. D.C.: U.S. Information Agency, 1996.