Não informado. (1918). Journal of the Oil and Colour Chemists Association. Oil and Colour Chemists' Association.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of the Oil and Colour Chemists Association. Middlesex, Inglaterra: Oil and Colour Chemists' Association, 1918.
Citação MLA (8ª ed.)Não informado. Journal of the Oil and Colour Chemists Association. Oil and Colour Chemists' Association, 1918.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.