Timothy B. Weston, Lionel M. Jensen, China beyond the headlines, s. 85 full text: „Weinreich...pointing out the arbitrary division between [dialect and language]”. (ang.).
Thomas Barfield, The Dictionary of Anthropology, s.v. ‘sociolinguistics’ full text: „Fundamental notions such as ‘language’ and ‘dialect’ are primarily social, not linguistic, constructs, because they depend on society in crucial ways.”. (ang.).