APA Style
English Comercial Practice and Correspondence. (1973).
Indonesia:
Elex Media Komputindo.
Chicago Style
English Comercial Practice and Correspondence.
1st edition.
Indonesia:
Elex Media Komputindo,
1973.
Text.
MLA Style
English Comercial Practice and Correspondence.
1st edition.
Indonesia:
Elex Media Komputindo,
1973.
Text.
Turabian Style
English Comercial Practice and Correspondence.
Indonesia:
Elex Media Komputindo,
1973.
Print.