R.L. Stine. (2008). Goosebumps HorrorLand #5: Dr. Maniac vs. Robby Schwartz (Reissue.). Scholastic Paperbacks.
Chicago-čujuhus (17. p.)R.L. Stine. Goosebumps HorrorLand #5: Dr. Maniac Vs. Robby Schwartz. Reissue. Scholastic Paperbacks, 2008.
MLA-čujuhus (9. p.)R.L. Stine. Goosebumps HorrorLand #5: Dr. Maniac Vs. Robby Schwartz. Reissue. Scholastic Paperbacks, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.