Lua APA (7ú heag.)

Morton, M. (1950). Review of Theory of silence, by William Pillin.

Lua i Stíl Chicago (17ú heag.)

Morton, May. Review of Theory of Silence, by William Pillin. 1950.

Lua MLA (9ú heag.)

Morton, May. Review of Theory of Silence, by William Pillin. 1950.

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