Cita APA (7a ed.)
Wells, J. C. (1990). Longman Pronunciation Dictionary. Longman Group UK.
Cita Chicago Style (17a ed.)
Wells, John Christopher. Longman Pronunciation Dictionary. Harlow: Longman Group UK, 1990.
Cita MLA (9a ed.)
Wells, John Christopher. Longman Pronunciation Dictionary. Longman Group UK, 1990.
Precaución: Estas citas no son 100% exactas.