Yapp, W. (1959). Dairy caltle judging and selection. John Wiley and Sons.
Chicago Edition CitationYapp, W.W. Dairy Caltle Judging and Selection. New York: John Wiley and Sons, 1959.
MLA Edition CitationYapp, W.W. Dairy Caltle Judging and Selection. John Wiley and Sons, 1959.
Warning: These citations may not always be 100% accurate.