Gaya APA

Setyobudi, R. (2011). Office administration system at PT.Pelabuhan Indonesia (Pelindo) III(persero) Tanjung Perak head office Surabaya (CD) . Malang, Jatim: UNMER.

Gaya MLA

Setyobudi, Rizal. "Office administration system at PT.Pelabuhan Indonesia (Pelindo) III(persero) Tanjung Perak head office Surabaya (CD)". Malang, Jatim: UNMER, 2011. CD-ROM.