Cita APA (7th ed.)

Halliday, M. A. K. (2004). An introduction to functional grammar (3a. ed.). Arnold.

Cita Chicago (17th ed.)

Halliday, Michael Alexander Kirkwood. An Introduction to Functional Grammar. 3a. ed. Londres: Arnold, 2004.

Cita MLA (9th ed.)

Halliday, Michael Alexander Kirkwood. An Introduction to Functional Grammar. 3a. ed. Arnold, 2004.