Gaya APA

al., E. et al (2005). Decisions Support Systems And Intelligent Systems ( Sistem Pendukung Keputusan Dan Sistem Cerdas) Jilid 2 (Ed. 7). Yogyakarta: Andi.

Gaya MLA

al., Et. et al. "Decisions Support Systems And Intelligent Systems ( Sistem Pendukung Keputusan Dan Sistem Cerdas) Jilid 2". Ed. 7 Yogyakarta: Andi, 2005. Text.