Gaya APA
Ekelund, Robert B.. (1988).
Microeconomics .
United States of America:
Scott, Foresman and Company.
Gaya Chicago
Ekelund, Robert B..
Microeconomics.
United States of America:
Scott, Foresman and Company,
1988.
Text.
Gaya MLA
Ekelund, Robert B..
Microeconomics.
United States of America:
Scott, Foresman and Company,
1988.
Text.
Gaya Turabian
Ekelund, Robert B..
Microeconomics.
United States of America:
Scott, Foresman and Company,
1988.
Print.