APA

Bellander U., . (1977). Quality control system. Paper presented at the 1st European colloquium on construction quality control, Madrid, March 1976. Stockholm: Cement- och betonginstitutet. CBI rapport nr 2:77.

Chicago

Bellander U, . 1977. Quality control system. Paper presented at the 1st European colloquium on construction quality control, Madrid, March 1976. Stockholm: Cement- och betonginstitutet. CBI rapport nr 2:77.

Harvard

Bellander U., . (1977). Quality control system. Paper presented at the 1st European colloquium on construction quality control, Madrid, March 1976. Stockholm: Cement- och betonginstitutet. CBI rapport nr 2:77.

MLA

Bellander U, . Quality control system. Paper presented at the 1st European colloquium on construction quality control, Madrid, March 1976. Stockholm: Cement- och betonginstitutet. CBI rapport nr 2:77. 1977.