APA aipamena

Soars, J., & Soars, L. (1991). Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press.

Chicago Style aipamena

Soars, John, và Liz Soars. Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press, 1991.

MLA aipamena

Soars, John, và Liz Soars. Headway: Pre-Intermediate : Student's Book. Oxford: Oxford University Press, 1991.