Welch, j. Winning: The Answers. harper Collins.
Chicago-čujuhus (17. p.)Welch, jack. Winning: The Answers. harper Collins.
MLA-čujuhus (9. p.)Welch, jack. Winning: The Answers. harper Collins.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.