McIntyre, J. T. (1914). Hearts of men: A drama in four acts. Penn Pub. Co..
Lua i Stíl Chicago (17ú heag.)McIntyre, John Thomas. Hearts of Men: A Drama in Four Acts. Philadelphia: Penn Pub. Co., 1914.
Lua MLA (8ú heag.)McIntyre, John Thomas. Hearts of Men: A Drama in Four Acts. Penn Pub. Co., 1914.
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