Gaya APA
Heady, Earl O.. (1960).
Economic of agricultural production and resource use Earl O. Heady .
Englewood Cliffs:
Prentice Hall.
Gaya Chicago
Heady, Earl O..
Economic of agricultural production and resource use Earl O. Heady.
Englewood Cliffs:
Prentice Hall,
1960.
Text.
Gaya MLA
Heady, Earl O..
Economic of agricultural production and resource use Earl O. Heady.
Englewood Cliffs:
Prentice Hall,
1960.
Text.
Gaya Turabian
Heady, Earl O..
Economic of agricultural production and resource use Earl O. Heady.
Englewood Cliffs:
Prentice Hall,
1960.
Print.