Gaya APA

m.s.i., B, T, S, A, M, ;, S, S. et al (2017). The Content Validity of the English Formative Test for the Seventh Grade Students of SMPN 214 Jakarta on the First Term in 2018/2019 Academic Year . Jakarta: .

Gaya MLA

m.s.i., Bambang, Tutuko,, Se.,, Ak.,, M.si., ;, Sumardi,, S.e.,. et al. "The Content Validity of the English Formative Test for the Seventh Grade Students of SMPN 214 Jakarta on the First Term in 2018/2019 Academic Year". Jakarta: , 2017. Text.