Mackenzie, J. Lachlan; Gómez-González, María de los Ángeles, eds. (2005). Studies in Functional Discourse Grammar. Linguistic Insights, Studies in Language and Communication. Vol. 26. Peter Lang Publishing Group. ISBN978-3-03910-696-7. Archived from the original on 2012-09-07. Retrieved 2010-06-12.
Mackenzie, J. Lachlan; Gómez-González, María de los Ángeles, eds. (2005). Studies in Functional Discourse Grammar. Linguistic Insights, Studies in Language and Communication. Vol. 26. Peter Lang Publishing Group. ISBN978-3-03910-696-7. Archived from the original on 2012-09-07. Retrieved 2010-06-12.