Gaya APA

Dewi, I, K. (2012). Stairway A fun and Easy English Book 2 : for grade II of elementary school (jilid 2). Solo: Platinum.

Gaya MLA

Dewi, Ida, Kusuma. "Stairway A fun and Easy English Book 2 : for grade II of elementary school". jilid 2 Solo: Platinum, 2012. Text.