Gaya APA
Manurung, Heldin. (2007).
Everyday English Conversation and Exercises .
Jakarta:
Great Media.
Gaya Chicago
Manurung, Heldin.
Everyday English Conversation and Exercises.
Jakarta:
Great Media,
2007.
Text.
Gaya MLA
Manurung, Heldin.
Everyday English Conversation and Exercises.
Jakarta:
Great Media,
2007.
Text.
Gaya Turabian
Manurung, Heldin.
Everyday English Conversation and Exercises.
Jakarta:
Great Media,
2007.
Print.