Ley, T. C. (1991). Intrepid Linguist Library Encourages Word Play (Paperback Books for the Teenage Reader).
Citazione stile Chigago Style (17a edizione)Ley, Terry C. Intrepid Linguist Library Encourages Word Play (Paperback Books for the Teenage Reader). 1991.
Citatione MLA (9a ed.)Ley, Terry C. Intrepid Linguist Library Encourages Word Play (Paperback Books for the Teenage Reader). 1991.
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