Gaya APA
Heaton, J., Methold, K.
(1999).
Reading with Understanding 2 Intermediate
.
Yogyakarta:
Kanisius.
Gaya MLA
Heaton, J.B.., Methold, K..
"Reading with Understanding 2 Intermediate".
Yogyakarta:
Kanisius,
1999.
Text.