Citação norma APA
Porter, P. A., & Grant, M. (1992). Communicating Effectively In English: Oral Communication for Non-Native Speakers. Heinle & Heinle Publishers.
Citação norma Chicago
Porter, Patricia A., and Margaret Grant. Communicating Effectively In English: Oral Communication for Non-Native Speakers. New Jersey: Heinle & Heinle Publishers, 1992.
Citação norma MLA
Porter, Patricia A., and Margaret Grant. Communicating Effectively In English: Oral Communication for Non-Native Speakers. Heinle & Heinle Publishers, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.