Gaya APA

S.Pd, R, A, P., S.S, E, H. (2008). Let's Understand English (Cet. 1). Surakarta: Era pustaka utama.

Gaya MLA

S.Pd, Reni, Agustin, P,., S.S, Eni, Hestuti. "Let's Understand English". Cet. 1 Surakarta: Era pustaka utama, 2008. Text.