Dyfyniad APA

Kaufman, P. E., Koehler, P. G., & Butler, J. F. (2006). External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries.

Dyfyniad Arddull Chicago

Kaufman, Phillip E., Philip G. Koehler, and Jerry F. Butler. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.

Dyfyniad MLA

Kaufman, Phillip E., et al. External Parasites of Sheep and Goats. The University of Florida George A. Smathers Libraries, 2006.

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