APA Style
SIREGAR, A. Hamid. (1981).
Business English Grammar Commercial Knowledge : and English Commercial Correspondence (cet.6).
Jakarta:
Pustaka Dian Pratama.
Chicago Style
SIREGAR, A. Hamid.
Business English Grammar Commercial Knowledge : and English Commercial Correspondence.
cet.6
Jakarta:
Pustaka Dian Pratama,
1981.
Text.
MLA Style
SIREGAR, A. Hamid.
Business English Grammar Commercial Knowledge : and English Commercial Correspondence.
cet.6
Jakarta:
Pustaka Dian Pratama,
1981.
Text.
Turabian Style
SIREGAR, A. Hamid.
Business English Grammar Commercial Knowledge : and English Commercial Correspondence.
cet.6
Jakarta:
Pustaka Dian Pratama,
1981.
Print.