Gaya APA

Rohrbach, T, S. et al (2009). DeGowin's Diagnoctic Examination Ed 9 (9). : Mc Graw Hill.

Gaya MLA

Rohrbach, T., Schlote;. et al. "DeGowin's Diagnoctic Examination Ed 9". 9 : Mc Graw Hill, 2009. Text.