Gaya APA

R., W, S., T., T, D. (2001). Learning Is Getting Easier ; classrooms are becoming more responsive to individual student needs (Trawas) . New York: Individual Learning System.

Gaya MLA

R., Wilson, S.., T., Tosti, D.. "Learning Is Getting Easier ; classrooms are becoming more responsive to individual student needs (Trawas)". New York: Individual Learning System, 2001. Text.