Παραπομπή APA

Soars, L., & Soars, J. (1998). New headway English course - Upper intermediate: Student"s book [Băng Casset]. Oxford: Oxford University Press.

Παραπομπή Chicago Style

Soars, Liz, και John Soars. New Headway English Course - Upper Intermediate: Student"s Book [Băng Casset]. Oxford: Oxford University Press, 1998.

Παραπομπή MLA

Soars, Liz, και John Soars. New Headway English Course - Upper Intermediate: Student"s Book [Băng Casset]. Oxford: Oxford University Press, 1998.

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