Gaya APA
Heaton, J., Metold, K.
(1973).
Reading With Understanding 1
.
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Heaton, J.B.., Metold, K..
"Reading With Understanding 1".
Yogyakarta:
Penerbit Kanisius,
1973.
Text.