Bridges, D. (1987). Varieties of constructive mathematics. Cambridge Univ. Pr.
Chicago-čujuhus (17. p.)Bridges, Douglas. Varieties of Constructive Mathematics. Cambridge Univ. Pr, 1987.
MLA-čujuhus (9. p.)Bridges, Douglas. Varieties of Constructive Mathematics. Cambridge Univ. Pr, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.