Cita APA

Heaton, J. B., & Turton, N. D. (1987). Longman dictionary of common errors. Harlow: Longman Group.

Citación estilo Chicago

Heaton, J. B., and N. D. Turton. Longman Dictionary of Common Errors. Harlow: Longman Group, 1987.

Cita MLA

Heaton, J. B., and N. D. Turton. Longman Dictionary of Common Errors. Harlow: Longman Group, 1987.