(1987). Parasites of sheep. New Jersey: Merck co.
Trích dẫn kiểu ChicagoParasites of Sheep. New Jersey: Merck co, 1987.
MLA citiranjeParasites of Sheep. New Jersey: Merck co, 1987.
Opozorilo: Ti citati niso vedno 100% točni.
(1987). Parasites of sheep. New Jersey: Merck co.
Trích dẫn kiểu ChicagoParasites of Sheep. New Jersey: Merck co, 1987.
MLA citiranjeParasites of Sheep. New Jersey: Merck co, 1987.