Gaya APA

Barkley, E, E. et al (2012). Collaborative Learning Techniques (cet. 1). Bandung: Nusa Media.

Gaya MLA

Barkley, E., Elizabert. et al. "Collaborative Learning Techniques". cet. 1 Bandung: Nusa Media, 2012. Mata Kuliah Pengembangan Kepri.