Quintus, P. E., & Robotka, F. (1939). Butterfat procurement by creameries in Butler County, Iowa. Iowa State College of agricultural and the mechanic arts, agricultural experiment station, bacteriology section.
Chicago-Zitierstil (17. Ausg.)Quintus, Paul E., und Frank Robotka. Butterfat Procurement by Creameries in Butler County, Iowa. Ames, Iowa, USA: Iowa State College of agricultural and the mechanic arts, agricultural experiment station, bacteriology section, 1939.
MLA-Zitierstil (9. Ausg.)Quintus, Paul E., und Frank Robotka. Butterfat Procurement by Creameries in Butler County, Iowa. Iowa State College of agricultural and the mechanic arts, agricultural experiment station, bacteriology section, 1939.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.