APA (7e ed.) Bronvermelding

Não informado. (2017). Metal Progress. American Society for Metals.

Chicago (17e ed.) Bronvermelding

Não informado. Metal Progress. Metals Park, Ohio: American Society for Metals, 2017.

MLA (8e ed.) Bronvermelding

Não informado. Metal Progress. American Society for Metals, 2017.

Let op: Deze citaties zijn niet altijd 100% accuraat.