Gaya APA

Afra, A., Furqon, M, N. (2007). How to be a smart writer . Surakarta: Indiva Media Kreasi.

Gaya MLA

Afra, Afifah., Furqon, Mukhammad, Nurul. "How to be a smart writer". Surakarta: Indiva Media Kreasi, 2007. Text.