Porter, P. A. (1992). Communicating effectively in English: Oral communication for non-native speakers. Boston, MA: Heinle & Heinle.
Chicago-stil citatPorter, Patricia A. Communicating Effectively in English: Oral Communication for Non-native Speakers. Boston, MA: Heinle & Heinle, 1992.
MLA-referensPorter, Patricia A. Communicating Effectively in English: Oral Communication for Non-native Speakers. Boston, MA: Heinle & Heinle, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.