Kramer, J. M. (1974). Environmental problems in the USSR: The divergence of theory and practice. The journal of politics. - Southern Political Science Association.
Citação norma ChicagoKramer, John M. "Environmental Problems in the USSR: The Divergence of Theory and Practice." The Journal of Politics. - Southern Political Science Association 1974.
Citação norma MLAKramer, John M. "Environmental Problems in the USSR: The Divergence of Theory and Practice." The Journal of Politics. - Southern Political Science Association, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.