APA-referens

E J Undeerwood. (1971). Trace elements in human and animal nutrition (3rd.). Academic press.

Chicago-stil citat

E J Undeerwood. Trace Elements in Human and Animal Nutrition. 3rd. Academic press, 1971.

MLA-referens

E J Undeerwood. Trace Elements in Human and Animal Nutrition. 3rd. Academic press, 1971.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.