"A general service list of English words, with semantic frequencies and a supplementary word-list for the writing of popular science and technology" London, New York: Longman, Green==External links==* Open Dictionary of English (ODE) Multi-media dictionary developed for learning vocabulary.
"A general service list of English words, with semantic frequencies and a supplementary word-list for the writing of popular science and technology" London, New York: Longman, Green oclc 318957* Горбачевич К., "Дано ли нам предугадать?