Gaya APA

drs, Y, M., ph.d, U, S, M, P, N, H, D, T, M. (2010). Past tense verb acquisition of students of SMAN 70 Jakarta . Jakarta: sekolah pascasarjana uhamka.

Gaya MLA

drs, Yamin,, M.pd., ph.d, Ujang, Suparman,, Ma,, Ph.d;prof.drs., Nurachman, Hanafi,, Dipl., Tefl,, Ma,. "Past tense verb acquisition of students of SMAN 70 Jakarta". Jakarta: sekolah pascasarjana uhamka, 2010. Text.