Gaya APA
Indriani, D, M. (2001).
English Pronunciation: The English Speech Sounds Theory & Practice (Edisi 1).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Indriani, Dra., M.I..
"English Pronunciation: The English Speech Sounds Theory & Practice".
Edisi 1
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Text.