Heady,Earl O. (1952). Economics Of Agricultural Production And Resource Use (1952.). Prentice-Hall,INC..
Chicago Style aipamenaHeady,Earl O. Economics Of Agricultural Production And Resource Use. 1952. New York: Prentice-Hall,INC., 1952.
MLA aipamenaHeady,Earl O. Economics Of Agricultural Production And Resource Use. 1952. Prentice-Hall,INC., 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.