Riordan Rick. (2016). Trials Of Apollo The Hidden Oracle. Penguin Random House.
Chicago-čujuhus (17. p.)Riordan Rick. Trials Of Apollo The Hidden Oracle. UK: Penguin Random House, 2016.
MLA-čujuhus (9. p.)Riordan Rick. Trials Of Apollo The Hidden Oracle. Penguin Random House, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.