Perloff, M. (2004). Differentials: Poetry, poetics, pedagogy. University of Alabama Press.
Cita Chicago (17th ed.)Perloff, Marjorie. Differentials: Poetry, Poetics, Pedagogy. Tuscaloosa: University of Alabama Press, 2004.
Cita MLA (9th ed.)Perloff, Marjorie. Differentials: Poetry, Poetics, Pedagogy. University of Alabama Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.