Cita APA (7th ed.)

LITTLEJOHN, A., & DOFF, A. [. (1991). Writing 3. Cambridge Univ. Press.

Cita Chicago (17th ed.)

LITTLEJOHN, Andrew, i Adrian [ed.] DOFF. Writing 3. Cambridge: Cambridge Univ. Press, 1991.

Cita MLA (9th ed.)

LITTLEJOHN, Andrew, i Adrian [ed.] DOFF. Writing 3. Cambridge Univ. Press, 1991.