Cita APA

Littlejohn, A., & Doff, A. (1991). Writing 2. Cambridge: Cambridge skills for fluency.

Citación estilo Chicago

Littlejohn, Andrew, and Adrian Doff. Writing 2. Cambridge: Cambridge skills for fluency, 1991.

Cita MLA

Littlejohn, Andrew, and Adrian Doff. Writing 2. Cambridge: Cambridge skills for fluency, 1991.

Precaución: Estas citas no son 100% exactas.