Cita APA

Hopper, P. J. 1., & Traugott, E. C. 1. (2003). Grammaticalization (2. edition.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Hopper, Paul John 1939-, y Elizabeth Closs 1939- Traugott. Grammaticalization. 2. edition. Cambridge: Cambridge University Press, 2003.

Cita MLA

Hopper, Paul John 1939-, y Elizabeth Closs 1939- Traugott. Grammaticalization. 2. edition. Cambridge: Cambridge University Press, 2003.