Gaya APA

ridanty, A, F. et al (2013). A content validity of an english test of national examination for twelfh th grade students of SMA MUHAMMADIYAH 3 JAKARTA inthe 2012/2013 academic year . Jakarta: fkip uhamka.

Gaya MLA

ridanty, Ardha, Fadillah. et al. "A content validity of an english test of national examination for twelfh th grade students of SMA MUHAMMADIYAH 3 JAKARTA inthe 2012/2013 academic year". Jakarta: fkip uhamka, 2013. Text.