Não informado. (2002). Cement, lime and gravel. British Limemaster.
Style de citation Chicago (17e éd.)Não informado. Cement, Lime and Gravel. London: British Limemaster, 2002.
Style de citation MLA (8e éd.)Não informado. Cement, Lime and Gravel. British Limemaster, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.