Cita APA

Gren, I. (1994). Economic evaluation of Wetlands: A survey. Sweden: Beijer Discusion Paper.

Chicago Style Citation

Gren, Ing-Marie. Economic Evaluation of Wetlands: A Survey. Sweden: Beijer Discusion Paper, 1994.

Cita MLA

Gren, Ing-Marie. Economic Evaluation of Wetlands: A Survey. Sweden: Beijer Discusion Paper, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.