Humphreys, F. (1883). Manual of veterinary specific homeopathy: Comprising diseases of horses, cattle, sheep, hogs, dogs and poultry, and their specific homeopathic treatment (3d rev. and enl. ed. By F. Humphreys .). Humphreys' specific homeopathic medicine co..
Chicago-referens (17:e uppl.)Humphreys, F. Manual of Veterinary Specific Homeopathy: Comprising Diseases of Horses, Cattle, Sheep, Hogs, Dogs and Poultry, and Their Specific Homeopathic Treatment. 3d rev. and enl. ed. By F. Humphreys . New York: Humphreys' specific homeopathic medicine co., 1883.
MLA-referens (8:e uppl.)Humphreys, F. Manual of Veterinary Specific Homeopathy: Comprising Diseases of Horses, Cattle, Sheep, Hogs, Dogs and Poultry, and Their Specific Homeopathic Treatment. 3d rev. and enl. ed. By F. Humphreys . Humphreys' specific homeopathic medicine co., 1883.