APA Style
Wardhana, D, K., S.S., R, W. (2017).
ABC English grammar accurate, brief, complete .
Surabaya:
Grahamedia.
MLA Style
Wardhana, Drs., Kunto., S.S., Rini, Widyaputri,.
"ABC English grammar accurate, brief, complete".
Surabaya:
Grahamedia,
2017.
Text.