Zemach, E. M. (1966). Three modes of being. St. Patrick's College.
Lua i Stíl Chicago (17ú heag.)Zemach, Eddy M. Three Modes of Being. Maynooth: St. Patrick's College, 1966.
Lua MLA (8ú heag.)Zemach, Eddy M. Three Modes of Being. St. Patrick's College, 1966.
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