Hagan, W. A., Gillespie, J. H., Timoney, J. F., & Bruner, D. W. (1981). Hagan and Bruner's Infectious diseases of domestic animals: With reference to etiology, pathogenicity, immunity, epidemiology, diagnosis, and biologic therapy (7th ed.). Comstock Pub. Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHagan, William Arthur, James Howard Gillespie, John Francis Timoney, और Dorsey William Bruner. Hagan and Bruner's Infectious Diseases of Domestic Animals: With Reference to Etiology, Pathogenicity, Immunity, Epidemiology, Diagnosis, and Biologic Therapy. 7th ed. Ithaca: Comstock Pub. Associates, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHagan, William Arthur, et al. Hagan and Bruner's Infectious Diseases of Domestic Animals: With Reference to Etiology, Pathogenicity, Immunity, Epidemiology, Diagnosis, and Biologic Therapy. 7th ed. Comstock Pub. Associates, 1981.