SPENCE RICK. (1989). CLIPPER PROGRAMMING GUIDE. BPB PUBLICATIONS.
Chicago-čujuhus (17. p.)SPENCE RICK. CLIPPER PROGRAMMING GUIDE. NEW DELHI: BPB PUBLICATIONS, 1989.
MLA-čujuhus (9. p.)SPENCE RICK. CLIPPER PROGRAMMING GUIDE. BPB PUBLICATIONS, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.