Cita APA (7th ed.)

Halliday, M. A. K. (1989). An introduction to functional grammar. Edward Arnold.

Cita Chicago (17th ed.)

Halliday, Michael Alexander Kirkwood. An Introduction to Functional Grammar. Londres: Edward Arnold, 1989.

Cita MLA (9th ed.)

Halliday, Michael Alexander Kirkwood. An Introduction to Functional Grammar. Edward Arnold, 1989.