Gaya APA

Dewi, I, K., Sumiyati, T. (2007). Active English [1] : A Fun and Easy English Book for Grade I Elementary School Students (Cet. 1.--). Solo: Tiga Serangkai.

Gaya MLA

Dewi, Ida, Kusuma., Sumiyati, Titik. "Active English [1] : A Fun and Easy English Book for Grade I Elementary School Students". Cet. 1.-- Solo: Tiga Serangkai, 2007. Text.