Gaya APA
Riyanto, S.
(2013).
Essential Grammar and Reading Strategy for TOEFL test
(
Edisi Pertama)
.
Yogyakarta:
ANDI.
Gaya MLA
Riyanto, Slamet.
"Essential Grammar and Reading Strategy for TOEFL test".
Edisi Pertama
Yogyakarta:
ANDI,
2013.
Text.