Gaya APA
Manurung, Heldin. (2003).
Mastering word spelling and pronounciation .
Jakarta:
Praninta Aksara.
Gaya Chicago
Manurung, Heldin.
Mastering word spelling and pronounciation.
Jakarta:
Praninta Aksara,
2003.
Text.
Gaya MLA
Manurung, Heldin.
Mastering word spelling and pronounciation.
Jakarta:
Praninta Aksara,
2003.
Text.
Gaya Turabian
Manurung, Heldin.
Mastering word spelling and pronounciation.
Jakarta:
Praninta Aksara,
2003.
Print.