Feld, W. J., & Boyd, G. (1980). Comparative regional systems: West and East Europe, North America, the Middle East, and developing countries. Pergamon Press.
Style de citation Chicago (17e éd.)Feld, Werner J., et Gavin;Feld Boyd. Comparative Regional Systems: West and East Europe, North America, the Middle East, and Developing Countries. Pergamon Press, 1980.
Style de citation MLA (9e éd.)Feld, Werner J., et Gavin;Feld Boyd. Comparative Regional Systems: West and East Europe, North America, the Middle East, and Developing Countries. Pergamon Press, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.