Gaya APA

Fritzer, P, J., Brewer, E, A. (2010). Social studies content for elementary and middle school teachers (2nd). United States of America: Pearson Education.

Gaya MLA

Fritzer, Penelope, Joan., Brewer, Ernest, Andrew. "Social studies content for elementary and middle school teachers". 2nd United States of America: Pearson Education, 2010. Text.