APA

Ritchie B. W., Dreesen D. W., .Avian zoonoses: proven and potential diseases: Part I. Bacterial and parasitic diseases. : .

Chicago

Ritchie Branson W, Dreesen David W, .Avian zoonoses: proven and potential diseases: Part I. Bacterial and parasitic diseases. : .

Harvard

Ritchie B. W., Dreesen D. W., .Avian zoonoses: proven and potential diseases: Part I. Bacterial and parasitic diseases. : .

MLA

Ritchie Branson W, Dreesen David W, .: . .