Citazione Stile APA (7a Edizione)
Wallwork, J. F. (1985). Language and linguistics: An introduction to the study of language (2nd ed.). Heinemann Educational books.
Citazione stile Chigago Style (17a edizione)
Wallwork, J. F. Language and Linguistics: An Introduction to the Study of Language. 2nd ed. London: Heinemann Educational books, 1985.
Citatione MLA (9a ed.)
Wallwork, J. F. Language and Linguistics: An Introduction to the Study of Language. 2nd ed. Heinemann Educational books, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.