Lua APA (7ú heag.)

Bullock, A. L. C. (1977). The Harper dictionary of modern thought. Harper & Row.

Lua i Stíl Chicago (17ú heag.)

Bullock, Alan Louis Charles. The Harper Dictionary of Modern Thought. New York: Harper & Row, 1977.

Lua MLA (9ú heag.)

Bullock, Alan Louis Charles. The Harper Dictionary of Modern Thought. Harper & Row, 1977.

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