South African Bureau of Standards. (1964). Standard specification for wooden telephone and general purpose electric light poles. Council of the South Africa Bureau of Standards.
Citação do estilo Chicago (17ª ed.)South African Bureau of Standards. Standard Specification for Wooden Telephone and General Purpose Electric Light Poles. South Africa: Council of the South Africa Bureau of Standards, 1964.
Citação MLA (9ª ed.)South African Bureau of Standards. Standard Specification for Wooden Telephone and General Purpose Electric Light Poles. Council of the South Africa Bureau of Standards, 1964.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.