Thedford, T. R. (1983). Sheep health handbook: A field guide for producers with limited veterinary services. Agriculture Experiment Station Division of Agriculture University of Arkansas.
Παραπομπή Chicago StyleThedford, Thomas R. Sheep Health Handbook: A Field Guide for Producers With Limited Veterinary Services. Agriculture Experiment Station Division of Agriculture University of Arkansas, 1983.
Παραπομπή MLAThedford, Thomas R. Sheep Health Handbook: A Field Guide for Producers With Limited Veterinary Services. Agriculture Experiment Station Division of Agriculture University of Arkansas, 1983.
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