Gaya APA

Lane, T., Tripp, P. (2011). Bagaimana Orang Berubah? - How People Change . Surabaya, Indonesia: Penerbit Momentum.

Gaya MLA

Lane, Tim., Tripp, Paul. "Bagaimana Orang Berubah? - How People Change". Surabaya, Indonesia: Penerbit Momentum, 2011. Academic.