APA Style
Modern Business Corespondence. (1977).
Indonesia:
Elex Media Komputindo.
Chicago Style
Modern Business Corespondence.
1st edition.
Indonesia:
Elex Media Komputindo,
1977.
Text.
MLA Style
Modern Business Corespondence.
1st edition.
Indonesia:
Elex Media Komputindo,
1977.
Text.
Turabian Style
Modern Business Corespondence.
Indonesia:
Elex Media Komputindo,
1977.
Print.