Gaya APA
Modern English : Conversation. (1994).
Jakarta:
[s.n.].
Gaya Chicago
Modern English : Conversation.
Cet.4.
Jakarta:
[s.n.],
1994.
Text.
Gaya MLA
Modern English : Conversation.
Cet.4.
Jakarta:
[s.n.],
1994.
Text.
Gaya Turabian
Modern English : Conversation.
Jakarta:
[s.n.],
1994.
Print.