Cita APA

Soars, J., & Soars, L. New headway english course: Pre-intermediate workbook without key. Oxford University.

Citación estilo Chicago

Soars, John, and Liz Soars. New Headway English Course: Pre-intermediate Workbook Without Key. New York (state): Oxford University.

Cita MLA

Soars, John, and Liz Soars. New Headway English Course: Pre-intermediate Workbook Without Key. New York (state): Oxford University.