1-Ross, M.H.; Romrell, L.G.; Kaye, G.I. (1995). Histology, A.text and Atlas. 3rd ed. 453-61. McGraw-Hill,Companies.US.
2- Luiz C. Junqueira and Jose C. Carneiro (2003). Basic, Histoloy, text and atlas, tenth edition. 369-381.McGraw-Hill Companies.US.
3- Ajello L and R.J. Hay. 1997. Medical Mycology Vol 4 Topley & Wilson's Microbiology and Infectious Infections. 9th Edition, Arnold London.
4-Elewski BE. 1992. Cutaneous fungal infections. Topics in dermatology. Igaku-Shoin, New York and Tokyo.
5-Geo F. Brooks., Janet. S. Butel., Stephen A. Morse (2004). Medical Microbiology. 23ed.625-659, McGraw-Hill Companies. U.S.
6-Motar,H.A.,2008.The distribution and the spread of fungi in the head and ear, and the factors affecting it. J.Sci..ISSN:1991-9941,p.17-24.
7- Kurtzman, C. P. and Fell, J. W. (1998). The Yeast: A taxonomic study.2nd Ed. Elservier, msterdam.