George, H. (1967). 101 substitution tables for students of english: Teachers' and advanced students' guide. At the University Pr.
Citazione stile Chigago Style (17a edizione)George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. Cambridge: At the University Pr, 1967.
Citatione MLA (9a ed.)George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. At the University Pr, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.