Gaya APA

ilahi, F. et al (2015). The Content Validity of The English Summative Test at The Eleventh Grade Students on SMA Muhammadiyah 18 Jakarta in 2013-2014 Academic Year . Jakarta: UHAMKA.

Gaya MLA

ilahi, Fadhl. et al. "The Content Validity of The English Summative Test at The Eleventh Grade Students on SMA Muhammadiyah 18 Jakarta in 2013-2014 Academic Year". Jakarta: UHAMKA, 2015. Text.