Erdmann, K. (1988). ALGEBRAS AND QUATERNION DEFECT-GROUPS .2. Springer-Verlag.
Chicago-čujuhus (17. p.)Erdmann, K. ALGEBRAS AND QUATERNION DEFECT-GROUPS .2. Springer-Verlag, 1988.
MLA-čujuhus (9. p.)Erdmann, K. ALGEBRAS AND QUATERNION DEFECT-GROUPS .2. Springer-Verlag, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.