Cita APA (7th ed.)

Nettle, M., & Hopkins, D. (2003). Developing grammar in context (1a. ed.). Cambridge University.

Cita Chicago (17th ed.)

Nettle, Mark, i Diana Hopkins. Developing Grammar in Context. 1a. ed. Cambridge: Cambridge University, 2003.

Cita MLA (9th ed.)

Nettle, Mark, i Diana Hopkins. Developing Grammar in Context. 1a. ed. Cambridge University, 2003.