Gaya APA
Samuelson, Paul A.. (1986).
ECONOMIC AN INTRODUCTORY ANALYSIS .
:
.
Gaya Chicago
Samuelson, Paul A..
ECONOMIC AN INTRODUCTORY ANALYSIS.
:
,
1986.
Text.
Gaya MLA
Samuelson, Paul A..
ECONOMIC AN INTRODUCTORY ANALYSIS.
:
,
1986.
Text.
Gaya Turabian
Samuelson, Paul A..
ECONOMIC AN INTRODUCTORY ANALYSIS.
:
,
1986.
Print.