Cita APA (7th ed.)
Halliday, M. A. K., & Webster, J. (2003). On language and linguistics. Continuum.
Cita Chicago (17th ed.)
Halliday, M. A. K., i Jonathan Webster. On Language and Linguistics. New York: Continuum, 2003.
Cita MLA (9th ed.)
Halliday, M. A. K., i Jonathan Webster. On Language and Linguistics. Continuum, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.