Brown, Keith (1996). Concise Encyclopedia of Syntactic Theories. New York: Elsevier Science. ISBN0-08-042711-1. {{cite book}}: More than one of |author=、|last= specified (help)
Freidin, Robert (2006). Syntax. Critical Concepts in Linguistics. New York: Routledge. ISBN0-415-24672-5. {{cite book}}: More than one of |author=、|last= specified (help)
Graffi, Giorgio (2001). 200 Years of Syntax. A Critical Survey. Studies in the History of the Language Sciences 98. Amsterdam: Benjamins. ISBN90-272-4587-8.