Citazione Stile APA (7a Edizione)
(1983). Norwegian environmental statistics 1983: Natural resources and pollution. Central Bureau of Statistics.
Citazione stile Chigago Style (17a edizione)
Norwegian Environmental Statistics 1983: Natural Resources and Pollution. Oslo: Central Bureau of Statistics, 1983.
Citatione MLA (9a ed.)
Norwegian Environmental Statistics 1983: Natural Resources and Pollution. Central Bureau of Statistics, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.