Wortley, E. J. Poultry diseases Causes, symptoms and treatment, with notes on post-mortem examinations.
Čikaški stil citiranja (17. izdanje)Wortley, E. J. Poultry Diseases Causes, Symptoms and Treatment, with Notes on Post-mortem Examinations.
MLA način citiranja (9. izdanje)Wortley, E. J. Poultry Diseases Causes, Symptoms and Treatment, with Notes on Post-mortem Examinations.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.