George, H. (1967). 101 substitution tables for students of english: Teachers' and advanced students' guide. At the University Pr.
Chicago-čujuhus (17. p.)George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. Cambridge: At the University Pr, 1967.
MLA-čujuhus (9. p.)George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. At the University Pr, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.