Gaya APA

Sinaga, M, A. (2013). Students' perception toward the use of group work in English teaching : A study in three Senior High Schools in North Jakarta . Jakarta: Program Studi Pendidikan Bahasa dan Sastra Inggris FBS UNJ.

Gaya MLA

Sinaga, Melinda, Astari. "Students' perception toward the use of group work in English teaching : A study in three Senior High Schools in North Jakarta". Jakarta: Program Studi Pendidikan Bahasa dan Sastra Inggris FBS UNJ, 2013. CD-ROM.