Leech, G. N., Rayson, P., & Wilson, A. (2001). Word frequencies in written and spoken English: Based on the British National Corpus (1. publ. in Great Britain.). Longman.
Chicago-Zitierstil (17. Ausg.)Leech, Geoffrey N., Paul Rayson, und Andrew Wilson. Word Frequencies in Written and Spoken English: Based on the British National Corpus. 1. publ. in Great Britain. Harlow [u.a.]: Longman, 2001.
MLA-Zitierstil (9. Ausg.)Leech, Geoffrey N., et al. Word Frequencies in Written and Spoken English: Based on the British National Corpus. 1. publ. in Great Britain. Longman, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.