Heady, E. O., Gibbons, J. R., & Irwin, G. (1961). Specialization and pork production methods in relation to over-all farm resource use and integration. Agricultural and Home Economics Experiment Station, Iowa State University of Science and Technology.
Chicago-Zitierstil (17. Ausg.)Heady, Earl O., James R. Gibbons, und George Irwin. Specialization and Pork Production Methods in Relation to Over-all Farm Resource Use and Integration. Ames, Iowa: Agricultural and Home Economics Experiment Station, Iowa State University of Science and Technology, 1961.
MLA-Zitierstil (9. Ausg.)Heady, Earl O., et al. Specialization and Pork Production Methods in Relation to Over-all Farm Resource Use and Integration. Agricultural and Home Economics Experiment Station, Iowa State University of Science and Technology, 1961.