Gaya APA
Riyanto, S., Handhini, A, C.
(2016).
Toefl Preparation
(
Cet. 1)
.
Yogyakarta:
C.V Andi Offset.
Gaya MLA
Riyanto, Slamet., Handhini, Anna, Christina.
"Toefl Preparation".
Cet. 1
Yogyakarta:
C.V Andi Offset,
2016.
Text.