Lua APA (7ú heag.)
Ruiz, A. (2001). The spirit of ancient Egypt. Algora Publishing.
Lua i Stíl Chicago (17ú heag.)
Ruiz, Ana. The Spirit of Ancient Egypt. New York: Algora Publishing, 2001.
Lua MLA (9ú heag.)
Ruiz, Ana. The Spirit of Ancient Egypt. Algora Publishing, 2001.
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