Gaya APA
English for Business. (1973).
London:
Oxford University Press.
Gaya Chicago
English for Business.
.
London:
Oxford University Press,
1973.
Text.
Gaya MLA
English for Business.
.
London:
Oxford University Press,
1973.
Text.
Gaya Turabian
English for Business.
London:
Oxford University Press,
1973.
Print.