USA General Accounting Office. (1981). Better data needed to determine the extent to which herbicides should be used on forest lands. General Accounting Office.
Cita Chicago Style (17a ed.)USA General Accounting Office. Better Data Needed to Determine the Extent to Which Herbicides Should Be Used on Forest Lands. Washington, DC: General Accounting Office, 1981.
Cita MLA (9a ed.)USA General Accounting Office. Better Data Needed to Determine the Extent to Which Herbicides Should Be Used on Forest Lands. General Accounting Office, 1981.
Precaución: Estas citas no son 100% exactas.