Gaya APA

al., E. et al (2007,2008,2009,2010,2012). Penelitian Tindakan Kelas (Ed. Revisi,Ed. 01,Ed.1). Jakarta: Bumi Aksara.

Gaya MLA

al., Et. et al. "Penelitian Tindakan Kelas". Ed. Revisi,Ed. 01,Ed.1 Jakarta: Bumi Aksara, 2007,2008,2009,2010,2012. Text.