Gaya APA
SAMUELSON, Paul A.. (2005).
ECONOMICS EIGHTEENTH (18).
NEW YORK:
McGRAW HILL.
Gaya Chicago
SAMUELSON, Paul A..
ECONOMICS EIGHTEENTH.
18
NEW YORK:
McGRAW HILL,
2005.
Text.
Gaya MLA
SAMUELSON, Paul A..
ECONOMICS EIGHTEENTH.
18
NEW YORK:
McGRAW HILL,
2005.
Text.
Gaya Turabian
SAMUELSON, Paul A..
ECONOMICS EIGHTEENTH.
18
NEW YORK:
McGRAW HILL,
2005.
Print.