Gaya APA
Guell, Robert C.. (2007).
Issues in economics today (3).
New York:
McGraw-Hill Irwin.
Gaya Chicago
Guell, Robert C..
Issues in economics today.
3
New York:
McGraw-Hill Irwin,
2007.
Text.
Gaya MLA
Guell, Robert C..
Issues in economics today.
3
New York:
McGraw-Hill Irwin,
2007.
Text.
Gaya Turabian
Guell, Robert C..
Issues in economics today.
3
New York:
McGraw-Hill Irwin,
2007.
Print.