Dahle, K., & Coulthard, A. (1991). On alternative ways of studying the future: International institutions, an annotated bibliography and a Norwegian case. Prosjekt Alternativ Framtid.
Citazione stile Chigago Style (17a edizione)Dahle, Kjell, e Alison Coulthard. On Alternative Ways of Studying the Future: International Institutions, an Annotated Bibliography and a Norwegian Case. Oslo: Prosjekt Alternativ Framtid, 1991.
Citatione MLA (9a ed.)Dahle, Kjell, e Alison Coulthard. On Alternative Ways of Studying the Future: International Institutions, an Annotated Bibliography and a Norwegian Case. Prosjekt Alternativ Framtid, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.