Style de citation APA (7e éd.)
Langhammer, R. J. (1983). Ten years of the EEC's generalized system of preferences for developing countries: Succes or failure? Institut für Weltwirtschaft.
Style de citation Chicago (17e éd.)
Langhammer, Rolf J. Ten Years of the EEC's Generalized System of Preferences for Developing Countries: Succes or Failure? Kiel: Institut für Weltwirtschaft, 1983.
Style de citation MLA (9e éd.)
Langhammer, Rolf J. Ten Years of the EEC's Generalized System of Preferences for Developing Countries: Succes or Failure? Institut für Weltwirtschaft, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.