1. Sheehan DC and Hrapchak BB: Theory and Practice of Histotechnology. C.V. Mosby Co., St. Louis, Mo. 1973, pp 159–160.
2. Harleco acid fast bacillus stain (package insert). EM Industries, Gibbstown, N.J., 1980.
3. Sheehan DC and Hrapchak BB: Theory and Practice of Histotechnology. C.V. Mosby Co., St. Louis, Mo., 1973, p 168.
4. Creative Imagination