Lowrie, J. A. (1929). Operating expenses in Ohio accredited hatcheries, year 1927. Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association.
Chicago-referens (17:e uppl.)Lowrie, Josephine A. Operating Expenses in Ohio Accredited Hatcheries, Year 1927. Columbus: Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association, 1929.
MLA-referens (8:e uppl.)Lowrie, Josephine A. Operating Expenses in Ohio Accredited Hatcheries, Year 1927. Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.