Gaya APA
Olson, Kent D.. (2004).
Farm Management : Principles and Strategies .
Iowa:
Iowa State Press.
Gaya Chicago
Olson, Kent D..
Farm Management : Principles and Strategies.
Iowa:
Iowa State Press,
2004.
.
Gaya MLA
Olson, Kent D..
Farm Management : Principles and Strategies.
Iowa:
Iowa State Press,
2004.
.
Gaya Turabian
Olson, Kent D..
Farm Management : Principles and Strategies.
Iowa:
Iowa State Press,
2004.
.