Dyce, K. M. (and others), Textbook of veterinary anatomy, W. B. Saunders, Philadelphia, USA, 2002.
Pasquini, Chris (and others), Anatomy of domestic animals: systemic and regional approach, Sudz Publishing, Pilot Point, USA, 2003.
Dyce, K. M., Sack, W.O., Wensing, C. J. G., Textbook of veterinary anatomy, W. B. Saunders, Philadelphia, USA, 2010.
Whittow, G. Causey (ed.), Sturkie's avian physiology, Academic Press, San Diego, USA, 2000.
Cunningham, James G. (ed.), Textbook of veterinary physiology, W. B. Saunders, Philadelphia, USA, 2002.
Hafez, B., Hafez, E. S. E., (eds.) Reproduction in farm animals, Lippincott, Williams & Wilkins, Philadelphia, USA, 2000.
Gosh, R. K., Primary veterinary anatomy, Medical Book Company, 2006.
Heath, E., Olusanya, S. Anatomy and physiology of tropical livestock, Longman, London, UK, 1985.
