APA Style

Roby, K, L. (2005). Behind Closed Doors: Di Balik Pintu Tertutup . Batam: Karisma Publishing Group.

MLA Style

Roby, Kimberla, Lawson. "Behind Closed Doors: Di Balik Pintu Tertutup". Batam: Karisma Publishing Group, 2005. Text.