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