Gaya APA

Engels, F. (2011). E-BOOK The-Origin-of-the-Family-Private-Property-and-the-State (Cet. 1). Jakarta: Jakarta Indonesia Yayasan Kalyanamitra., 2011.

Gaya MLA

Engels, Friedrich. "E-BOOK The-Origin-of-the-Family-Private-Property-and-the-State". Cet. 1 Jakarta: Jakarta Indonesia Yayasan Kalyanamitra., 2011, 2011. Text.