Gaya APA
Manurung, Heldin. (2002).
Everyday English Grammar & Exercise .
Bekasi:
Kesaint Blanc.
Gaya Chicago
Manurung, Heldin.
Everyday English Grammar & Exercise.
Bekasi:
Kesaint Blanc,
2002.
Text.
Gaya MLA
Manurung, Heldin.
Everyday English Grammar & Exercise.
Bekasi:
Kesaint Blanc,
2002.
Text.
Gaya Turabian
Manurung, Heldin.
Everyday English Grammar & Exercise.
Bekasi:
Kesaint Blanc,
2002.
Print.