1. NN 1983 Nomina anatomica veterinaria, 3rd ed., International Committee on Veterinary Gross Anatomical Nomenclature. Ithaca, New York.,
2. NN 1989 Nomina Anatomica. 5th ed., International Anatomical Nomenclature Committee. Churchill Livingstone, Edinburgh.,
3. THE ANATOMY OF THE FEMALE GUBERNACULUM IS DIFFERENT FROM THE MALE
4. 1971 Grant's Method of Anatomy. 8th ed., Williams and Wilkins, Baltimore.,
5. 1908 Entwicklungsgeschichte und Anatomie des weiblichen Genitalapparates. Schlesier, Strassburg.,