CLOSE, R. (1962). English as a foreign language: Grammar and syntax for teachers and advanced students. George Allen & Unwin.
Citazione stile Chigago Style (17a edizione)CLOSE, R.A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. London: George Allen & Unwin, 1962.
Citatione MLA (9a ed.)CLOSE, R.A. English as a Foreign Language: Grammar and Syntax for Teachers and Advanced Students. George Allen & Unwin, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.