Não informado. (1966). Tech air. Society of Licensed Aircraft Engineers and Technologists.
Citação do estilo Chicago (17ª ed.)Não informado. Tech Air. Kingston Upon Thames, Inglaterra: Society of Licensed Aircraft Engineers and Technologists, 1966.
Citação MLA (8ª ed.)Não informado. Tech Air. Society of Licensed Aircraft Engineers and Technologists, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.