VALLINS, G. (1973). Spelling: With a chapter on American spelling. Andre Deutsch.
Chicago-čujuhus (17. p.)VALLINS, G.H. Spelling: With a Chapter on American Spelling. London: Andre Deutsch, 1973.
MLA-čujuhus (9. p.)VALLINS, G.H. Spelling: With a Chapter on American Spelling. Andre Deutsch, 1973.
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