Cita APA

(1994). Wetlands and lakes as nitrogen traps: A reseach progamme for the period 1 july 1990-30 june 1994. Suecia: Swedish Environmental Protection.

Citación estilo Chicago

Wetlands and Lakes As Nitrogen Traps: A Reseach Progamme for the Period 1 July 1990-30 June 1994. Suecia: Swedish Environmental Protection, 1994.

Cita MLA

Wetlands and Lakes As Nitrogen Traps: A Reseach Progamme for the Period 1 July 1990-30 June 1994. Suecia: Swedish Environmental Protection, 1994.