Gaya APA
A Rapid Course in English for Students of Economics. (1973).
:
.
Gaya Chicago
A Rapid Course in English for Students of Economics.
.
:
,
1973.
Text.
Gaya MLA
A Rapid Course in English for Students of Economics.
.
:
,
1973.
Text.
Gaya Turabian
A Rapid Course in English for Students of Economics.
:
,
1973.
Print.