Gaya APA

Liz, ., Soars, J. ([s.a]). New Headway : Intermediate Students Book (The New Edition) / Liz . England: Oxford University Press.

Gaya MLA

Liz, ., Soars, John. "New Headway : Intermediate Students Book (The New Edition) / Liz". England: Oxford University Press, [s.a]. Text.