Gaya APA
CALKINS, Peter H.. (1984).
Four approaches to risk and uncertainty for use in farm management extension .
Tainan:
AVRDC.
Gaya Chicago
CALKINS, Peter H..
Four approaches to risk and uncertainty for use in farm management extension.
Tainan:
AVRDC,
1984.
Text.
Gaya MLA
CALKINS, Peter H..
Four approaches to risk and uncertainty for use in farm management extension.
Tainan:
AVRDC,
1984.
Text.
Gaya Turabian
CALKINS, Peter H..
Four approaches to risk and uncertainty for use in farm management extension.
Tainan:
AVRDC,
1984.
Print.