Gaya APA

Kohn, E., Kusuma, E, Y. (2003). Keterampilan Geometri = CliffsQuickReview Geometry . Bandung: Pakar Raya.

Gaya MLA

Kohn, Ed., Kusuma, Ervina, Yudha. "Keterampilan Geometri = CliffsQuickReview Geometry". Bandung: Pakar Raya, 2003. Text.