Gaya APA
Manurung, H.
(2003).
Mastering Word Spelling & Pronounciation
(
Cet.1)
.
Jakarta:
Praninta Aksara.
Gaya MLA
Manurung, Heldin.
"Mastering Word Spelling & Pronounciation".
Cet.1
Jakarta:
Praninta Aksara,
2003.
Text.