Botsford, H. E. (1952). The economics of poultry management. Wiley.
Lua i Stíl Chicago (17ú heag.)Botsford, Harold Eugene. The Economics of Poultry Management. New York: Wiley, 1952.
Lua MLA (9ú heag.)Botsford, Harold Eugene. The Economics of Poultry Management. Wiley, 1952.
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