Gaya APA
PETERSON, Willis L. (1986).
Principles of economics micro (6nd).
Homewood:
Irwin.
Gaya Chicago
PETERSON, Willis L.
Principles of economics micro.
6nd
Homewood:
Irwin,
1986.
Text.
Gaya MLA
PETERSON, Willis L.
Principles of economics micro.
6nd
Homewood:
Irwin,
1986.
Text.
Gaya Turabian
PETERSON, Willis L.
Principles of economics micro.
6nd
Homewood:
Irwin,
1986.
Print.