Gaya APA
J. Hobbs M.A (Oxon), Dip.Ed.. (1980).
Longman English Course .
Yogyakarta:
kanisus.
Gaya Chicago
J. Hobbs M.A (Oxon), Dip.Ed..
Longman English Course.
Yogyakarta:
kanisus,
1980.
Text.
Gaya MLA
J. Hobbs M.A (Oxon), Dip.Ed..
Longman English Course.
Yogyakarta:
kanisus,
1980.
Text.
Gaya Turabian
J. Hobbs M.A (Oxon), Dip.Ed..
Longman English Course.
Yogyakarta:
kanisus,
1980.
Print.