APA način citiranja

Soars, J., & Soars, L. (1987). Headway upper - intermediate: Student's Book. New York: Oxford University Press.

Čikaški stil citiranja

Soars, John, i Liz Soars. Headway Upper - Intermediate: Student's Book. New York: Oxford University Press, 1987.

MLA način citiranja

Soars, John, i Liz Soars. Headway Upper - Intermediate: Student's Book. New York: Oxford University Press, 1987.