Gaya APA
Manurung, Heldin. (2004).
Living English Conversation .
Jakarta:
Great media.
Gaya Chicago
Manurung, Heldin.
Living English Conversation.
Jakarta:
Great media,
2004.
.
Gaya MLA
Manurung, Heldin.
Living English Conversation.
Jakarta:
Great media,
2004.
.
Gaya Turabian
Manurung, Heldin.
Living English Conversation.
Jakarta:
Great media,
2004.
.