Gaya APA

Dewi, I, K., Hanafie, A, T. (2012). Stairway a Fun and Easy English Book [6] : For Grade VI of Elementary Schools (Ed. rev.). Solo: Platinum.

Gaya MLA

Dewi, Ida, Kusuma., Hanafie, Ahmad, Thomy. "Stairway a Fun and Easy English Book [6] : For Grade VI of Elementary Schools". Ed. rev. Solo: Platinum, 2012. Text.