APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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