APA Style
Speaking Naturally. (1985).
Indonesia:
Elex Media Komputindo.
Chicago Style
Speaking Naturally.
1st edition.
Indonesia:
Elex Media Komputindo,
1985.
Text.
MLA Style
Speaking Naturally.
1st edition.
Indonesia:
Elex Media Komputindo,
1985.
Text.
Turabian Style
Speaking Naturally.
Indonesia:
Elex Media Komputindo,
1985.
Print.