American Chemical Society\nScience Service. (2002). Chemistry. American Chemical Society.
Citação do estilo Chicago (17ª ed.)American Chemical Society\nScience Service. Chemistry. Easton, Pa: American Chemical Society, 2002.
Citação MLA (8ª ed.)American Chemical Society\nScience Service. Chemistry. American Chemical Society, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.