APA-referens

David, G. W. (1988). Practice beef quality grading. Lubbock: Creative Educational Video.

Chicago-stil citat

David, Gordon W. Practice Beef Quality Grading. Lubbock: Creative Educational Video, 1988.

MLA-referens

David, Gordon W. Practice Beef Quality Grading. Lubbock: Creative Educational Video, 1988.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.