Gaya APA

C., O, D. et al (2001). Teaching Strategies ; A Guide To Better Intruction (Trawas) . Massachusetts: D.C. Heath And Company.

Gaya MLA

C., Orlich, Donald. et al. "Teaching Strategies ; A Guide To Better Intruction (Trawas)". Massachusetts: D.C. Heath And Company, 2001. Text.