Gaya APA

Vleck,L.Dale, . (1998). Journal of animal science,vol.76 no.12 december 1998 . New York: The American Society of Animal Science.

Gaya MLA

Vleck,L.Dale, . "Journal of animal science,vol.76 no.12 december 1998". New York: The American Society of Animal Science, 1998. Text.