Perl, S. (1994). Landmark essays on writing process. Routledge.
Cita Chicago (17th ed.)Perl, Sondra. Landmark Essays on Writing Process. Nueva York: Routledge, 1994.
Cita MLA (9th ed.)Perl, Sondra. Landmark Essays on Writing Process. Routledge, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.