APA-referens

(1976). Yearbook of mining, non-ferrous metals, and products statistics. New York.

Chicago-stil citat

Yearbook of Mining, Non-ferrous Metals, and Products Statistics. New York, 1976.

MLA-referens

Yearbook of Mining, Non-ferrous Metals, and Products Statistics. New York, 1976.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.