Gaya APA
Guell, Robert C.. (2012).
Issues in Economics Today 6th Edition (6th Edition).
New York:
McGraw-Hill Irwin.
Gaya Chicago
Guell, Robert C..
Issues in Economics Today 6th Edition.
6th Edition
New York:
McGraw-Hill Irwin,
2012.
Text.
Gaya MLA
Guell, Robert C..
Issues in Economics Today 6th Edition.
6th Edition
New York:
McGraw-Hill Irwin,
2012.
Text.
Gaya Turabian
Guell, Robert C..
Issues in Economics Today 6th Edition.
6th Edition
New York:
McGraw-Hill Irwin,
2012.
Print.