Verburg, P. A. (1998). Language and its functions: A historico-critical study of views concerning the functions of language from the pre-humanistic philology of Orleans to the rationalistic philology of Bopp. Amsterdam ; Philadelphia: John Benjamins Pub. Co..
Чикагска система за цитиранеVerburg, Pieter Adrianus. Language and Its Functions: A Historico-critical Study of Views Concerning the Functions of Language From the Pre-humanistic Philology of Orleans to the Rationalistic Philology of Bopp. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1998.
MLA формат за цитиранеVerburg, Pieter Adrianus. Language and Its Functions: A Historico-critical Study of Views Concerning the Functions of Language From the Pre-humanistic Philology of Orleans to the Rationalistic Philology of Bopp. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1998.