Cita APA (7a ed.)
Porter, P. A., & Grant, M. (1992). Communicating Effectively In English: Oral Communication for Non-Native Speakers. Heinle & Heinle Publishers.
Cita Chicago Style (17a ed.)
Porter, Patricia A., y Margaret Grant. Communicating Effectively In English: Oral Communication for Non-Native Speakers. New Jersey: Heinle & Heinle Publishers, 1992.
Cita MLA (9a ed.)
Porter, Patricia A., y Margaret Grant. Communicating Effectively In English: Oral Communication for Non-Native Speakers. Heinle & Heinle Publishers, 1992.
Precaución: Estas citas no son 100% exactas.