Gaya APA
Hobbs, J.
(2006).
Longman English Course Book 3A
(
Cet.22)
.
Yogyakarta:
Kanisius.
Gaya MLA
Hobbs, J..
"Longman English Course Book 3A".
Cet.22
Yogyakarta:
Kanisius,
2006.
Text.