Landy, M. K., Roberts, M. J., & Thomas, S. R. (1994). The Environmental Protection Agency: Asking the wrong questions from Nixon to Clinton (Expanded ed.). Oxford University Press.
Cita Chicago (17th ed.)Landy, Marc Karnis, Marc J. Roberts, i Stephen R. Thomas. The Environmental Protection Agency: Asking the Wrong Questions from Nixon to Clinton. Expanded ed. New York: Oxford University Press, 1994.
Cita MLA (9th ed.)Landy, Marc Karnis, et al. The Environmental Protection Agency: Asking the Wrong Questions from Nixon to Clinton. Expanded ed. Oxford University Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.