Gaya APA
Manurung, Heldin. (2001).
Guide To Everyday English Conversation .
Jakarta:
VISIPRO.
Gaya Chicago
Manurung, Heldin.
Guide To Everyday English Conversation.
Jakarta:
VISIPRO,
2001.
Text.
Gaya MLA
Manurung, Heldin.
Guide To Everyday English Conversation.
Jakarta:
VISIPRO,
2001.
Text.
Gaya Turabian
Manurung, Heldin.
Guide To Everyday English Conversation.
Jakarta:
VISIPRO,
2001.
Print.