Pennsylvania. Dept. of Agriculture. Dairy and Food Division. (1903). Monthly bulletin of the Dairy and Food Division. WM. Stanley Ray, Office of the State Printer.
Lua i Stíl Chicago (17ú heag.)Pennsylvania. Dept. of Agriculture. Dairy and Food Division. Monthly Bulletin of the Dairy and Food Division. Harrisburg, Pa.: WM. Stanley Ray, Office of the State Printer, 1903.
Lua MLA (8ú heag.)Pennsylvania. Dept. of Agriculture. Dairy and Food Division. Monthly Bulletin of the Dairy and Food Division. WM. Stanley Ray, Office of the State Printer, 1903.
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