Hopkins, A. (1920). Modern farm buildings: Being suggestions for the most approved ways of designing the cow barn, dairey, horse barn, hay barn, sheepcote, piggery, manure pit, chicken house, root cellar, ice house and other buildings of the farm group, on practical, sanitary and artistic lines. McBride.
Cita Chicago Style (17a ed.)Hopkins, Alfred. Modern Farm Buildings: Being Suggestions for the Most Approved Ways of Designing the Cow Barn, Dairey, Horse Barn, Hay Barn, Sheepcote, Piggery, Manure Pit, Chicken House, Root Cellar, Ice House and Other Buildings of the Farm Group, on Practical, Sanitary and Artistic Lines. New York: McBride, 1920.
Cita MLA (9a ed.)Hopkins, Alfred. Modern Farm Buildings: Being Suggestions for the Most Approved Ways of Designing the Cow Barn, Dairey, Horse Barn, Hay Barn, Sheepcote, Piggery, Manure Pit, Chicken House, Root Cellar, Ice House and Other Buildings of the Farm Group, on Practical, Sanitary and Artistic Lines. McBride, 1920.