David, S. (2002). Penguin India 2003 Quiz Books (NA.). Penguin books.
Chicago-čujuhus (17. p.)David, Stanley. Penguin India 2003 Quiz Books. NA. London: Penguin books, 2002.
MLA-čujuhus (9. p.)David, Stanley. Penguin India 2003 Quiz Books. NA. Penguin books, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.