APPLEBY M., Human-Animal Relationships in a Global Economy, in: The Human-Animal Relationship. Forever and a Day, F. De Jonge, R. van deen Bos (eds.), Royal Van Gorcum 2005, pp. 279-287.
DAMRON W.S., Introduction to Animal Science. Global, Biological, Social, and Industry Perspectives, Upper Saddle River 2003.
FRASER D., Understanding animal welfare, Lavoisier 2008.
MELLOR D.J., STAFFORD K.J., Integrating practical, regulatory and ethical strategies for enhancing farm animal welfare, "Australian Veterinary Journal" 79(2001), s. 766 - 767. SCHIKTANZ S., Ethical consideration of the human - animal relationship under conditions of asymmetry and ambivalence, "Journal of Agricultural and Environmental Ethics" 19(2006), s.7-16.
SEABROOK M., The Human factor - the benefits of humane and skilled stockmanship, w: Farm animals: it pays to be a humane, S.P. Carruthers (red.), Reading 1991.