Trimbur, J. (2008). The call to write. Houghton Miflin.
Cita Chicago (17th ed.)Trimbur, John. The Call to Write. Houghton Miflin, 2008.
Cita MLA (9th ed.)Trimbur, John. The Call to Write. Houghton Miflin, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.