Gaya APA
PETERSON, Willis L. (1977).
Principles of economic: macro third edition .
United States of America:
Richard D. Irwin, Inc..
Gaya Chicago
PETERSON, Willis L.
Principles of economic: macro third edition.
United States of America:
Richard D. Irwin, Inc.,
1977.
Text.
Gaya MLA
PETERSON, Willis L.
Principles of economic: macro third edition.
United States of America:
Richard D. Irwin, Inc.,
1977.
Text.
Gaya Turabian
PETERSON, Willis L.
Principles of economic: macro third edition.
United States of America:
Richard D. Irwin, Inc.,
1977.
Print.