Gaya APA

[et.al], W. et al (2015). The Content Validity of The English Summative Test for The Ninth Grade Students of SMP Islam Al-Hikmah Pondok Cabe in 2013/2014 Academic Year . Jakarta: .

Gaya MLA

[et.al], Wasino. et al. "The Content Validity of The English Summative Test for The Ninth Grade Students of SMP Islam Al-Hikmah Pondok Cabe in 2013/2014 Academic Year". Jakarta: , 2015. Text.