Petersen, P. (1977). Teaching breeding planning for a dual-purpose cattle population by a programmed exercise. BioMed Central.
Styl cytowania ChicagoPetersen, PH. Teaching Breeding Planning for a Dual-purpose Cattle Population By a Programmed Exercise. BioMed Central, 1977.
Styl cytowania MLAPetersen, PH. Teaching Breeding Planning for a Dual-purpose Cattle Population By a Programmed Exercise. BioMed Central, 1977.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..