Spisani, F. (1977). Implication, Endometry, Universe of Discourse. International Logic Review.
Chicago-čujuhus (17. p.)Spisani, Franco. Implication, Endometry, Universe of Discourse. Bologna, Italia: International Logic Review, 1977.
MLA-čujuhus (9. p.)Spisani, Franco. Implication, Endometry, Universe of Discourse. International Logic Review, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.