Vaughan, H. W., & Vaughan, H. W. (1942). Types and market classes of live stock (22. edition.). Columbus, Ohio: College Entrance Book Co..
Citación estilo ChicagoVaughan, Henry W., y Henry W. Vaughan. Types and Market Classes of Live Stock. 22. edition. Columbus, Ohio: College Entrance Book Co., 1942.
Cita MLAVaughan, Henry W., y Henry W. Vaughan. Types and Market Classes of Live Stock. 22. edition. Columbus, Ohio: College Entrance Book Co., 1942.
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