Gaya APA

Fogel, K. (2005). Producing open source software : how to run a successful free software project (1st ed.). Yogyakarta: Dir.Bimas Islam.

Gaya MLA

Fogel, Karl. "Producing open source software : how to run a successful free software project". 1st ed. Yogyakarta: Dir.Bimas Islam, 2005. Text.