HORNBY, A. (1962). A guide to patterns and usage in English. The English Language Book Society and Oxford University press.
Citazione stile Chigago Style (17a edizione)HORNBY, A.S. A Guide to Patterns and Usage in English. London: The English Language Book Society and Oxford University press, 1962.
Citatione MLA (9a ed.)HORNBY, A.S. A Guide to Patterns and Usage in English. The English Language Book Society and Oxford University press, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.