Gaya APA
RIYANTO, S.
(2013).
THE 1ST STUDENT'S CHOICE COMPLETE ENGLISH GRAMMAR
.
YOGYAKARTA:
ANDI.
Gaya MLA
RIYANTO, SLAMET.
"THE 1ST STUDENT'S CHOICE COMPLETE ENGLISH GRAMMAR".
YOGYAKARTA:
ANDI,
2013.
Text.