British Standards Institution. (1971). Method for determination of viscosity of cutback bitumen and road oil. B.S.I..
Citação do estilo Chicago (17ª ed.)British Standards Institution. Method for Determination of Viscosity of Cutback Bitumen and Road Oil. London: B.S.I., 1971.
Citação MLA (8ª ed.)British Standards Institution. Method for Determination of Viscosity of Cutback Bitumen and Road Oil. B.S.I., 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.