Gaya APA

Inggris, B, A, B. (2008). Oxford Bookworms Library Stage 2: The Importance of Being Earnestut Nothing . USA: Oxford University Press.

Gaya MLA

Inggris, Bacaan, Anak, Bahasa. "Oxford Bookworms Library Stage 2: The Importance of Being Earnestut Nothing". USA: Oxford University Press, 2008. Text.