Spr?kendring
Joan Bybee: Language change. (Cambridge Textbooks in Linguistics.) 2015. Cambridge: Cambridge University Press. ISBN 978-1-107-65582-9
Typologi
Bernard Comrie: Language Universals and Linguistic Typology – Syntax and Morphology. Second edition. Blackwell and Universty of Chicago Press. ISBN 0-226-11433-3. Kapittel 1 og 4-8.
Kenneth Hale, Mary Laughren og Jane Simpson: "Warlpiri" i Joachim Jacobs et al. (red.) : Syntax: ein internationales Handbuch zeitgen?ssischer Forschung, 1996. Walter de Gruyter. pp.1430-1451. [Gj?res tilgjengelig av fagl?rer.]