Cita APA

Nelson, V. (1993). Listening to communicate in english: Answer key ; intermediate level. [S.l.]: Illinois : National Texbook Co..

Citación estilo Chicago

Nelson, Virginia. Listening to Communicate in English: Answer Key ; Intermediate Level. [S.l.]: Illinois : National Texbook Co., 1993.

Cita MLA

Nelson, Virginia. Listening to Communicate in English: Answer Key ; Intermediate Level. [S.l.]: Illinois : National Texbook Co., 1993.