Gaya APA
Puspitasari, M, A.
(2012).
Complete English Grammar For Everyone
.
Yogyakarta:
Pelangi Indonesia.
Gaya MLA
Puspitasari, Mettayana, Anggun.
"Complete English Grammar For Everyone".
Yogyakarta:
Pelangi Indonesia,
2012.
Buku Tex.