APA Style
Helmberger, Peter G. (1985).
Economic analysis of farm programs .
:
.
Chicago Style
Helmberger, Peter G.
Economic analysis of farm programs.
:
,
1985.
.
MLA Style
Helmberger, Peter G.
Economic analysis of farm programs.
:
,
1985.
.
Turabian Style
Helmberger, Peter G.
Economic analysis of farm programs.
:
,
1985.
.