APA Style

Indrajit, R, E., Djokopranoto, R. (2003). Proses Bisnis Outsourcing . : GramediaWidiasarana Indonesia.

MLA Style

Indrajit, Richardus, Eko., Djokopranoto, Richardus. "Proses Bisnis Outsourcing". : GramediaWidiasarana Indonesia, 2003. Text.