APA

Byggforskningen. Document D3:77, . (1977). Mechanical boring or drill and blast tunnelling. ( MB or DB? workshop). First US - Swedish Underground Workshop. Stockholm, Dec 5-10, 1976. Stockholm: Byggforskningen. Document D3:77.

Chicago

Byggforskningen. Document D3:77, . 1977. Mechanical boring or drill and blast tunnelling. ( MB or DB? workshop). First US - Swedish Underground Workshop. Stockholm, Dec 5-10, 1976. Stockholm: Byggforskningen. Document D3:77.

Harvard

Byggforskningen. Document D3:77, . (1977). Mechanical boring or drill and blast tunnelling. ( MB or DB? workshop). First US - Swedish Underground Workshop. Stockholm, Dec 5-10, 1976. Stockholm: Byggforskningen. Document D3:77.

MLA

Byggforskningen. Document D3:77, . Mechanical boring or drill and blast tunnelling. ( MB or DB? workshop). First US - Swedish Underground Workshop. Stockholm, Dec 5-10, 1976. Stockholm: Byggforskningen. Document D3:77. 1977.