Gaya APA
SAMUELSON, Paul A.. (1992).
Economics .
Australia:
Includes Index.
Gaya Chicago
SAMUELSON, Paul A..
Economics.
Australia:
Includes Index,
1992.
Text.
Gaya MLA
SAMUELSON, Paul A..
Economics.
Australia:
Includes Index,
1992.
Text.
Gaya Turabian
SAMUELSON, Paul A..
Economics.
Australia:
Includes Index,
1992.
Print.