Gaya APA
Leftwich, Richard H. (1980).
A basic framework for economics .
Dallas, Tex:
Business Publications.
Gaya Chicago
Leftwich, Richard H.
A basic framework for economics.
Dallas, Tex:
Business Publications,
1980.
Text.
Gaya MLA
Leftwich, Richard H.
A basic framework for economics.
Dallas, Tex:
Business Publications,
1980.
Text.
Gaya Turabian
Leftwich, Richard H.
A basic framework for economics.
Dallas, Tex:
Business Publications,
1980.
Print.