Gaya APA

caverzas, E, I, ;, , G, A. (2010). The effectiveness of role-play in teaching speaking for the seventh grade of SMPN 1 Teluknaga Tangerang . Jakarta: UHAMKA.

Gaya MLA

caverzas, Eugenio, I, ;, , Godin,, Antoine. "The effectiveness of role-play in teaching speaking for the seventh grade of SMPN 1 Teluknaga Tangerang". Jakarta: UHAMKA, 2010. Text.