Não informado. (1972). French techniques: Building, civil engineering and townplannin. Centre National du Commerce Exterieur.
Citação do estilo Chicago (17ª ed.)Não informado. French Techniques: Building, Civil Engineering and Townplannin. Paris: Centre National du Commerce Exterieur, 1972.
Citação MLA (8ª ed.)Não informado. French Techniques: Building, Civil Engineering and Townplannin. Centre National du Commerce Exterieur, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.