Gaya APA
Riyanto, S.
(2013).
Essential grammar and reading strategy for TOEFL test
(
Cet.1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Riyanto, Slamet.
"Essential grammar and reading strategy for TOEFL test".
Cet.1
Yogyakarta:
Penerbit Andi,
2013.
TEXT.