Lua APA (7ú heag.)

Bullock, A., & Trombley, S. (1999). The Norton dictionary of modern thought. W.W. Norton.

Lua i Stíl Chicago (17ú heag.)

Bullock, Alan, agus Stephen Trombley. The Norton Dictionary of Modern Thought. New York: W.W. Norton, 1999.

Lua MLA (8ú heag.)

Bullock, Alan, agus Stephen Trombley. The Norton Dictionary of Modern Thought. W.W. Norton, 1999.

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