Gaya APA
Rapid Course In English For Students Economics. (1973).
Oxford:
Oxford University Press.
Gaya Chicago
Rapid Course In English For Students Economics.
.
Oxford:
Oxford University Press,
1973.
Text.
Gaya MLA
Rapid Course In English For Students Economics.
.
Oxford:
Oxford University Press,
1973.
Text.
Gaya Turabian
Rapid Course In English For Students Economics.
Oxford:
Oxford University Press,
1973.
Print.