King, J., & Blackie A; Millott, J. O. (1929). Fusion point of coal ash part (I). His Majesty's Stationery Office.
Chicago (17e ed.) BronvermeldingKing, J.K, en J. ON Blackie A; Millott. Fusion Point of Coal Ash Part (I). London: His Majesty's Stationery Office, 1929.
MLA (9e ed.) BronvermeldingKing, J.K, en J. ON Blackie A; Millott. Fusion Point of Coal Ash Part (I). His Majesty's Stationery Office, 1929.
Let op: Deze citaties zijn niet altijd 100% accuraat.