Gaya APA

Indrajit, R, E., Djokopranoto, R. (2004). Proses Bisnis : Outsourcing . Jakarta: Grasindo.

Gaya MLA

Indrajit, Richardus, Eko., Djokopranoto, Richardus. "Proses Bisnis : Outsourcing". Jakarta: Grasindo, 2004. Text.