Não informado. (1982). British Telecommunications Engineering. Institution of British Telecommunications Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. British Telecommunications Engineering. London: Institution of British Telecommunications Engineers, 1982.
Citação MLA (8ª ed.)Não informado. British Telecommunications Engineering. Institution of British Telecommunications Engineers, 1982.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.