West, M. (1960). A general service list of English words: With semantic frequencies and a supplementary word-list for the writing of popular science and technology (5th impr.). Longmans.
Chicago-Zitierstil (17. Ausg.)West, Michael. A General Service List of English Words: With Semantic Frequencies and a Supplementary Word-list for the Writing of Popular Science and Technology. 5th impr. London: Longmans, 1960.
MLA-Zitierstil (9. Ausg.)West, Michael. A General Service List of English Words: With Semantic Frequencies and a Supplementary Word-list for the Writing of Popular Science and Technology. 5th impr. Longmans, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.