British Standards Institution. (1972). Sulphate-resisting Portland cement. British Standards Institution.
Chicago (17e ed.) BronvermeldingBritish Standards Institution. Sulphate-resisting Portland Cement. London: British Standards Institution, 1972.
MLA (8e ed.) BronvermeldingBritish Standards Institution. Sulphate-resisting Portland Cement. British Standards Institution, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.