Gaya APA
Bowden, Elbert V. (1969).
Economics .
New York:
Alexander Hamilton Institute.
Gaya Chicago
Bowden, Elbert V.
Economics.
New York:
Alexander Hamilton Institute,
1969.
.
Gaya MLA
Bowden, Elbert V.
Economics.
New York:
Alexander Hamilton Institute,
1969.
.
Gaya Turabian
Bowden, Elbert V.
Economics.
New York:
Alexander Hamilton Institute,
1969.
.