Gaya APA

Beik, I, S. (2013). Economic Role of Zakat in Reducing Poverty and Income Inequality : A Case Study in the Province of DKI Jakarta, Indonesia . Klaten: Salemba Empat.

Gaya MLA

Beik, Irfan, Syauqi. "Economic Role of Zakat in Reducing Poverty and Income Inequality : A Case Study in the Province of DKI Jakarta, Indonesia". Klaten: Salemba Empat, 2013. Text.