Dyfyniad APA

ebrary, Inc. (2003). Diagnosis and control of Johne's disease. National Academies Press.

Dyfyniad Arddull Chicago

ebrary, Inc. Diagnosis and Control of Johne's Disease. Washington, DC ; [Great Britain]: National Academies Press, 2003.

Dyfyniad MLA

ebrary, Inc. Diagnosis and Control of Johne's Disease. National Academies Press, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.