Gaya APA
Widjaja, G.
(2017).
Complete English Grammar and The Exercises
(
cet. 1)
.
jakarta:
Bhuana Ilmu Populer.
Gaya MLA
Widjaja, Grace.
"Complete English Grammar and The Exercises".
cet. 1
jakarta:
Bhuana Ilmu Populer,
2017.
Buku.