DOLPHIN. (1999). GENERAL KNOWLEDGE 2000 QUESTION AND ANSWERS.
Chicago-čujuhus (17. p.)DOLPHIN. GENERAL KNOWLEDGE 2000 QUESTION AND ANSWERS. 1999.
MLA-čujuhus (9. p.)DOLPHIN. GENERAL KNOWLEDGE 2000 QUESTION AND ANSWERS. 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.