APA-čujuhus (7. p.)
Maps.com (Firm) & ebrary, Inc. (1999). Medieval Europe, c. 950-1300. Maps.com.
Chicago-čujuhus (17. p.)
Maps.com (Firm) juo Inc ebrary. Medieval Europe, C. 950-1300. [S.l.]: Maps.com, 1999.
MLA-čujuhus (9. p.)
Maps.com (Firm) juo Inc ebrary. Medieval Europe, C. 950-1300. Maps.com, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.