Dyfyniad APA

Soars, L., & Soars, J. (1998). New headway english course. Oxford University Press.

Dyfyniad Arddull Chicago

Soars, Liz, and John Soars. New Headway English Course. New York: Oxford University Press, 1998.

Dyfyniad MLA

Soars, Liz, and John Soars. New Headway English Course. Oxford University Press, 1998.

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