Gaya APA

Federrspiel, H, M. (2006). Indonesian muslim Intellectuals of the 20th century (-). Pasir Panjang - Singapore: ISEAS Publishing.

Gaya MLA

Federrspiel, Howard, M.. "Indonesian muslim Intellectuals of the 20th century". - Pasir Panjang - Singapore: ISEAS Publishing, 2006. Text.