Citação norma APA

Ørvik, N. (1972). Scandinavian security in transition: The two-dimensional threat. Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Citação norma Chicago

Ørvik, Nils. "Scandinavian Security in Transition: The Two-dimensional Threat." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1972.

Citação norma MLA

Ørvik, Nils. "Scandinavian Security in Transition: The Two-dimensional Threat." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1972.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.