Gaya APA

Indrajit, R, E., Djokopranoto, R. (2006). Proses Bisnis Outsourcing (Cet 3). Jakarta: Grasindo.

Gaya MLA

Indrajit, Richardus, Eko., Djokopranoto, Richardus. "Proses Bisnis Outsourcing". Cet 3 Jakarta: Grasindo, 2006. Text.