Lua APA (7ú heag.)

Não informado. (1970). Theory and Decision. Kluwer Academic Publishers.

Lua i Stíl Chicago (17ú heag.)

Não informado. Theory and Decision. Dordrecht, Holanda: Kluwer Academic Publishers, 1970.

Lua MLA (8ú heag.)

Não informado. Theory and Decision. Kluwer Academic Publishers, 1970.

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