Maps.com (Firm) & ebrary, Inc. (2002). Maryland. Maps.com.
Chicago-čujuhus (17. p.)Maps.com (Firm) juo Inc ebrary. Maryland. [S.l.]: Maps.com, 2002.
MLA-čujuhus (9. p.)Maps.com (Firm) juo Inc ebrary. Maryland. Maps.com, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.