Gaya APA

DKK, M, K. (2011). IMPROVING ENGLISH SKILL A BEST WAY TO REACH YOUR FUTURE (cetakan 1). Sidoarjo: CV. PRASTHIA MEDIA KREAIFITA.

Gaya MLA

DKK, MOHAMMAD, KURJUM. "IMPROVING ENGLISH SKILL A BEST WAY TO REACH YOUR FUTURE". cetakan 1 Sidoarjo: CV. PRASTHIA MEDIA KREAIFITA, 2011. Text.