Não informado. (1977). Journal of Powder and Bulk Solids Technology. International Powder Institute.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Powder and Bulk Solids Technology. Chicago, Ill: International Powder Institute, 1977.
MLA (8e ed.) BronvermeldingNão informado. Journal of Powder and Bulk Solids Technology. International Powder Institute, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.