Heady, E. O. (1952). Economics of agricultural production and resource use. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Heady, Earl Orel. Economics of Agricultural Production and Resource Use. New York: Prentice-Hall, 1952.
Citatione MLA (9a ed.)Heady, Earl Orel. Economics of Agricultural Production and Resource Use. Prentice-Hall, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.