Friedrich, W. P. (1954). Outline of comparative literature from Dante Alighieri to Eugene O'Neil. University of North Carolina.
Cita Chicago (17th ed.)Friedrich, Werner Paul. Outline of Comparative Literature from Dante Alighieri to Eugene O'Neil. Chapel Hill: University of North Carolina, 1954.
Cita MLA (9th ed.)Friedrich, Werner Paul. Outline of Comparative Literature from Dante Alighieri to Eugene O'Neil. University of North Carolina, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.