Lua APA (7ú heag.)

Simpson, W. D. (1963). The historical Saint Columba ([rev. 3d ed.].). Oliver & Boyd.

Lua i Stíl Chicago (17ú heag.)

Simpson, William Douglas. The Historical Saint Columba. [rev. 3d ed.]. Edinburgh: Oliver & Boyd, 1963.

Lua MLA (8ú heag.)

Simpson, William Douglas. The Historical Saint Columba. [rev. 3d ed.]. Oliver & Boyd, 1963.

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