Lua APA (7ú heag.)

Não informado. (2009). Proceedings of the Egyptian Academy of Sciences. Egyptian Academy of Sciences.

Lua i Stíl Chicago (17ú heag.)

Não informado. Proceedings of the Egyptian Academy of Sciences. Cairo: Egyptian Academy of Sciences, 2009.

Lua MLA (8ú heag.)

Não informado. Proceedings of the Egyptian Academy of Sciences. Egyptian Academy of Sciences, 2009.

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