Não informado. Powder Metallurgy Quarterly. Metal Powder Association.
Chicago (17e ed.) BronvermeldingNão informado. Powder Metallurgy Quarterly. New York: Metal Powder Association.
MLA (8e ed.) BronvermeldingNão informado. Powder Metallurgy Quarterly. Metal Powder Association.
Let op: Deze citaties zijn niet altijd 100% accuraat.