Gaya APA
Greenall, S., Pye, D.
(2005).
Reading : Student's Book 4
.
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Greenall, Simon., Pye, Diana.
"Reading : Student's Book 4".
Yogyakarta:
Penerbit Kanisius,
2005.
Text.