Gaya APA

S.Pd., U, K, W, S, C. (2008). Easy English For Beginners . surakarta: PT Era Intermedia.

Gaya MLA

S.Pd., Upik, Kusuma, Wardani,, S.Pd.,, Cahyono,. "Easy English For Beginners". surakarta: PT Era Intermedia, 2008. Text.