Lua APA (7ú heag.)
Ellis, W. M. (1994). Ptolemy of Egypt. Routledge.
Lua i Stíl Chicago (17ú heag.)
Ellis, Walter M. Ptolemy of Egypt. London ; New York: Routledge, 1994.
Lua MLA (9ú heag.)
Ellis, Walter M. Ptolemy of Egypt. Routledge, 1994.
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