Cita APA (7a ed.)

Queralt, A., & Riera, P. (1997). The environmental perfomance of firms in Spain and some Eastern European transition economies. Institut Universitari d'Estudis Europeus, Universitat Autònoma.

Cita Chicago Style (17a ed.)

Queralt, Arnau, y Pere Riera. The Environmental Perfomance of Firms in Spain and Some Eastern European Transition Economies. Barcelona: Institut Universitari d'Estudis Europeus, Universitat Autònoma, 1997.

Cita MLA (9a ed.)

Queralt, Arnau, y Pere Riera. The Environmental Perfomance of Firms in Spain and Some Eastern European Transition Economies. Institut Universitari d'Estudis Europeus, Universitat Autònoma, 1997.