APA ציטוט

ebrary, Inc. (1994). Drilling and excavation technologies for the future. National Academy Press.

Chicago Style (17th ed.) Citation

ebrary, Inc. Drilling and Excavation Technologies for the Future. Washington, D.C.: National Academy Press, 1994.

ציטוט MLA

ebrary, Inc. Drilling and Excavation Technologies for the Future. National Academy Press, 1994.