APA Style
Spectrum Workbook III : a communicative course in. (1987).
Indonesia:
Elex Media Komputindo.
Chicago Style
Spectrum Workbook III : a communicative course in.
1st edition.
Indonesia:
Elex Media Komputindo,
1987.
Text.
MLA Style
Spectrum Workbook III : a communicative course in.
1st edition.
Indonesia:
Elex Media Komputindo,
1987.
Text.
Turabian Style
Spectrum Workbook III : a communicative course in.
Indonesia:
Elex Media Komputindo,
1987.
Print.