APA citiranje

Soars, L., & Soars, J. (2010). New headway English course: Pre - Intermediate : Workbook with key. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

Soars, Liz, và John Soars. New Headway English Course: Pre - Intermediate : Workbook With Key. Oxford: Oxford Univ. Press, 2010.

MLA citiranje

Soars, Liz, và John Soars. New Headway English Course: Pre - Intermediate : Workbook With Key. Oxford: Oxford Univ. Press, 2010.