APA Style

S.Pd, P, R. (2014). Workbook English Grade 4-1 . Malang: Teaching Traning and Education Development Institute (T2EDI).

MLA Style

S.Pd, Pusfika, Rayuningtya,. "Workbook English Grade 4-1". Malang: Teaching Traning and Education Development Institute (T2EDI), 2014. Text.