Gaya APA

nurunnazwa, N. et al (2012). The content validity of the english summative test for the eleventh grade students of the first semester at SMA Muhammadiyah 18 Jakarta 2011-2012 academic year . Jakarta: .

Gaya MLA

nurunnazwa, Nizma. et al. "The content validity of the english summative test for the eleventh grade students of the first semester at SMA Muhammadiyah 18 Jakarta 2011-2012 academic year". Jakarta: , 2012. Text.