Gaya APA

qardawi, Y. et al (2016). The Content Validity of the English Summative Test for the Eleventh Grade Students of SMK Islam PB Soedirman 1 Jakarta on the First Semester in the 2015/2016 Academic Year. . Jakarta: .

Gaya MLA

qardawi, Yusuf. et al. "The Content Validity of the English Summative Test for the Eleventh Grade Students of SMK Islam PB Soedirman 1 Jakarta on the First Semester in the 2015/2016 Academic Year.". Jakarta: , 2016. Text.