Gaya APA

Pratiwi, K, W., Widihastuti, Y. (2009). Recycle Bottle (Cet. 1). Surabaya: Tiara Aksa.

Gaya MLA

Pratiwi, Karisma, Widya., Widihastuti, Yuyun. "Recycle Bottle". Cet. 1 Surabaya: Tiara Aksa, 2009. Text.