Gaya APA
Riyanto, S.
(2013).
Essential Grammar And Reading Strategy For TOEFL Test
(
1)
.
Yogyakarta:
Penerbit Andi.
Gaya MLA
Riyanto, Slamet.
"Essential Grammar And Reading Strategy For TOEFL Test".
1
Yogyakarta:
Penerbit Andi,
2013.
Text.