Lua APA (7ú heag.)
Layman, C. S. (1999). The power of logic. Mayfield Pub..
Lua i Stíl Chicago (17ú heag.)
Layman, C. Stephen. The Power of Logic. Mountain View, Calif.: Mayfield Pub., 1999.
Lua MLA (9ú heag.)
Layman, C. Stephen. The Power of Logic. Mayfield Pub., 1999.
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