Lipson, Maxine
(2004)
Exploring Functional Grammar.
Bologna:
Centro di Studi Linguistico-Culturali (CeSLiC),
p. 138.
DOI 10.6092/unibo/amsacta/871.
In: Quaderni del CeSLiC. Functional Grammar Studies For Non-Native Speakers of English
ISSN 1973-2228.