Citace podle APA

Porter, P. A. (1992). Communicating effectively in English: Oral communication for non-native speakers. Boston, MA: Heinle & Heinle.

Styl Chicago

Porter, Patricia A. Communicating Effectively in English: Oral Communication for Non-native Speakers. Boston, MA: Heinle & Heinle, 1992.

Citace podle MLA

Porter, Patricia A. Communicating Effectively in English: Oral Communication for Non-native Speakers. Boston, MA: Heinle & Heinle, 1992.

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