Não informado. (1884). Descriptive Index of Current Engineering Literature. Association of Engineering Societies.
Citação do estilo Chicago (17ª ed.)Não informado. Descriptive Index of Current Engineering Literature. Chicago, Ill: Association of Engineering Societies, 1884.
Citação MLA (8ª ed.)Não informado. Descriptive Index of Current Engineering Literature. Association of Engineering Societies, 1884.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.