1. Ainsworth, G. C. & P. K. C. Austwick. 1973. Fungal Diseases of Animals. 2nd Ed. Commonwealth Agricultural Bureaux, Farnham Royal, Slough, England.
2. Arnstein, P., B. Eddie & K. F. Meyer. 1968. Control of Psittacosis by Group Chemotherapy of Infected Parrots. Am. J. Vet. Res. 29: 2212?2227.
3. Chute, H. L., D. C. O'Meara & E. S. Barden. 1962. A Bibliography of Avian Mycoses. University of Maine, Misc. Publ. No. 665.
4. Raper, K. B. & D. I. Fennell. 1965. The Genus Aspergillus, The Williams & Wilkins Company, Baltimore, Maryland.
5. Sidransky, H. & L. Friedman. 1959. The Effect of cortisone and Antibiotic Agents in Experimental Pulmonary Aspergillosis. Am. J. Path. 35: 169?184.