Gaya APA

[et.al], D, S., RH., Y. (2018). Hidup Tenang Tanpa Riba (1). Yogyakarta: DIVA Press.

Gaya MLA

[et.al], Dwi, Suwiknyo., RH., Yayan. "Hidup Tenang Tanpa Riba". 1 Yogyakarta: DIVA Press, 2018. Text.