George, H. (1967). 101 substitution tables for students of: English. Cambridge University Pr.
Chicago Style (17th ed.) CitationGeorge, H.V. 101 Substitution Tables for Students of: English. Cambridge: Cambridge University Pr, 1967.
MLA (9th ed.) CitationGeorge, H.V. 101 Substitution Tables for Students of: English. Cambridge University Pr, 1967.
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