Cita APA

Clare, A., & wILSON, j. j. (2011). Speakout Pre-intermediate: Workbook with key (1a. ed.). Harlow: Pearson/Longman.

Citación estilo Chicago

Clare, Antonia, and j. j. wILSON. Speakout Pre-intermediate: Workbook With Key. 1a. ed. Harlow: Pearson/Longman, 2011.

Cita MLA

Clare, Antonia, and j. j. wILSON. Speakout Pre-intermediate: Workbook With Key. 1a. ed. Harlow: Pearson/Longman, 2011.