W B Martin. (1978). Respiratory diseases in cattle (3.). commission of the european countries.
Chicago Edition CitationW B Martin. Respiratory Diseases in Cattle. 3. Luxemburg: commission of the european countries, 1978.
Cita MLAW B Martin. Respiratory Diseases in Cattle. 3. commission of the european countries, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.