APA Style
S.Pd, N, N. (2016).
Workbook English Grade 4-2 .
Malang:
Teaching Traning and Education Development Institute (T2EDI).
MLA Style
S.Pd, Novrika, Nartiningrum,.
"Workbook English Grade 4-2".
Malang:
Teaching Traning and Education Development Institute (T2EDI),
2016.
Text.