Gaya APA
Hobbs, J.. (1993).
Longman English Course : Book 1b (Cet. 14.--).
Yogyakarta:
Kanisius.
Gaya Chicago
Hobbs, J..
Longman English Course : Book 1b.
Cet. 14.--
Yogyakarta:
Kanisius,
1993.
Text.
Gaya MLA
Hobbs, J..
Longman English Course : Book 1b.
Cet. 14.--
Yogyakarta:
Kanisius,
1993.
Text.
Gaya Turabian
Hobbs, J..
Longman English Course : Book 1b.
Cet. 14.--
Yogyakarta:
Kanisius,
1993.
Print.