13. Oxfrod J.S., Schild G.G., 1990 - The Orthomyxoviridae. In: Principles of Bacteriology, Virology and immunity (Red. L.H. Collier and M.C. Timbury). A division of Hodder and Stoughton, London-Melbourne-Auckland.
14. Pejsak Z., Truszczyński M., 2008 -Życie Wet. 83(8), 648-650.