Lyons, John. 1968. Introduction to theoretical linguistics. Cambridge: Cambridge University Press. (OCLC: 917245138).
@book{lyons_introduction_1968,
address = {Cambridge},
author = {Lyons, John},
note = {OCLC: 917245138},
publisher = {Cambridge University Press},
title = {Introduction to theoretical linguistics},
year = {1968},
isbn = {978-0-521-05617-5 978-0-521-09510-5},
language = {English}
}