Cita APA (7th ed.)

Halliday, M. A. K., & Webster, J. (2002). On grammar. Continuum.

Cita Chicago (17th ed.)

Halliday, Michael Alexander Kirkwood, i Jonathan Webster. On Grammar. London: Continuum, 2002.

Cita MLA (9th ed.)

Halliday, Michael Alexander Kirkwood, i Jonathan Webster. On Grammar. Continuum, 2002.