Morgan, K. L. (1979). Aspects of the local immune system of the porcine and bovine respiratory tracts. University of Bristol.
Lua i Stíl Chicago (17ú heag.)Morgan, Kenton Lloyd. Aspects of the Local Immune System of the Porcine and Bovine Respiratory Tracts. England: University of Bristol, 1979.
Lua MLA (8ú heag.)Morgan, Kenton Lloyd. Aspects of the Local Immune System of the Porcine and Bovine Respiratory Tracts. University of Bristol, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.