Gaya APA

Himawan, K, K., Mutiara, E. (2014). Integrating Psychology & Christianity: The Enrichment Model (Cet. 1). Malang: Gandum Mas.

Gaya MLA

Himawan, Karel, Karsten., Mutiara, Eunike. "Integrating Psychology & Christianity: The Enrichment Model". Cet. 1 Malang: Gandum Mas, 2014. Text.