Oberste-Vorth, R. W., Mouzakitis, A., & Lawrence, B. A. (2012). Bridge to abstract mathematics. Mathematical Association of America.
Chicago-čujuhus (17. p.)Oberste-Vorth, Ralph W., Aristides Mouzakitis, juo Bonita A. Lawrence. Bridge to Abstract Mathematics. [Washington, D.C.]: Mathematical Association of America, 2012.
MLA-čujuhus (9. p.)Oberste-Vorth, Ralph W., et al. Bridge to Abstract Mathematics. Mathematical Association of America, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.