United States. Congress. Office of Technology Assessment. (1987). Technologies to Maintain Biological Diversity. U.S. Government Printing Office.
Citazione stile Chigago Style (17a edizione)United States. Congress. Office of Technology Assessment. Technologies to Maintain Biological Diversity. Washington, D.C.: U.S. Government Printing Office, 1987.
Citatione MLA (9a ed.)United States. Congress. Office of Technology Assessment. Technologies to Maintain Biological Diversity. U.S. Government Printing Office, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.