Gaya APA

Wahlstrom, E, E. (1973). Developments in Geotechnical Engineering 3: Tunneling in Rock . : Elsevier Scientific Pub. Co..

Gaya MLA

Wahlstrom, Ernest, E.. "Developments in Geotechnical Engineering 3: Tunneling in Rock". : Elsevier Scientific Pub. Co., 1973. Text.