V Mary John. (1992). Parecentage control in cattle using blood types. College of veterinary and animal sciences.
Chicago Edition CitationV Mary John. Parecentage Control in Cattle Using Blood Types. College of veterinary and animal sciences, 1992.
ציטוט MLAV Mary John. Parecentage Control in Cattle Using Blood Types. College of veterinary and animal sciences, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.