RILEY, P. (2011). RESEARCH PROJECT. VIVA BOOKS.
Chicago-čujuhus (17. p.)RILEY, PIPPA. RESEARCH PROJECT. DELHI: VIVA BOOKS, 2011.
MLA-čujuhus (9. p.)RILEY, PIPPA. RESEARCH PROJECT. VIVA BOOKS, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.