(1958). International guide to European sources of technical information: Austria, Belgium, Denkmar, France, Germany, Greece, Italy, Netherlands, Norway, Sweden, United Kingdom (1 publ., 2 repr.). European Productivity Agency of the Organisation for European Economic Co-operation.
Chicago-Zitierstil (17. Ausg.)International Guide to European Sources of Technical Information: Austria, Belgium, Denkmar, France, Germany, Greece, Italy, Netherlands, Norway, Sweden, United Kingdom. 1 publ., 2 repr. Paris: European Productivity Agency of the Organisation for European Economic Co-operation, 1958.
MLA-Zitierstil (9. Ausg.)International Guide to European Sources of Technical Information: Austria, Belgium, Denkmar, France, Germany, Greece, Italy, Netherlands, Norway, Sweden, United Kingdom. 1 publ., 2 repr. European Productivity Agency of the Organisation for European Economic Co-operation, 1958.