Williams, J. F. (1980). Diagnosis of gastrointestinal parasitism in dogs and cats. [Saint Louis, Mo.]: [Ralston Purina Co.].
Citación estilo ChicagoWilliams, J. F. Diagnosis of Gastrointestinal Parasitism in Dogs and Cats. [Saint Louis, Mo.]: [Ralston Purina Co.], 1980.
Cita MLAWilliams, J. F. Diagnosis of Gastrointestinal Parasitism in Dogs and Cats. [Saint Louis, Mo.]: [Ralston Purina Co.], 1980.
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