APA način citiranja

Soars, J., & Soars, L. (1993). Headway Upper-Intermediate: Workbook. Oxford: Oxford University Press.

Čikaški stil citiranja

Soars, John, i Liz Soars. Headway Upper-Intermediate: Workbook. Oxford: Oxford University Press, 1993.

MLA način citiranja

Soars, John, i Liz Soars. Headway Upper-Intermediate: Workbook. Oxford: Oxford University Press, 1993.