Ramsay, W. (1972). Managing the environment: An economic primer. Basic Books, Inc.
Citazione stile Chigago Style (17a edizione)Ramsay, William. Managing the Environment: An Economic Primer. New York: Basic Books, Inc, 1972.
Citatione MLA (9a ed.)Ramsay, William. Managing the Environment: An Economic Primer. Basic Books, Inc, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.