Gaya APA
Ricketts, martin. (1994).
the economics of business enterprise .
New York:
Harvester Wheatsheaf.
Gaya Chicago
Ricketts, martin.
the economics of business enterprise.
New York:
Harvester Wheatsheaf,
1994.
.
Gaya MLA
Ricketts, martin.
the economics of business enterprise.
New York:
Harvester Wheatsheaf,
1994.
.
Gaya Turabian
Ricketts, martin.
the economics of business enterprise.
New York:
Harvester Wheatsheaf,
1994.
.