Cita APA (7th ed.)

Halliday, M. A. K. (1994). An introduction to functional grammar (2nd ed.). E. Arnold.

Cita Chicago (17th ed.)

Halliday, M. A. K. An Introduction to Functional Grammar. 2nd ed. London: E. Arnold, 1994.

Cita MLA (9th ed.)

Halliday, M. A. K. An Introduction to Functional Grammar. 2nd ed. E. Arnold, 1994.