Gaya APA
Indriani, D., M. (2005).
ENGLISH PRONUNCIATION: THE ENGLISH SPEECH SOUNDS THEORY & PRACTICE .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Indriani, Dra., M.I..
"ENGLISH PRONUNCIATION: THE ENGLISH SPEECH SOUNDS THEORY & PRACTICE".
Jakarta:
Gramedia Pustaka Utama,
2005.
Buku Inti.