Riordan Rick. (2017). Trials OF Apollo The Dark Prophecy. Penguin Random House.
Chicago-čujuhus (17. p.)Riordan Rick. Trials OF Apollo The Dark Prophecy. UK: Penguin Random House, 2017.
MLA-čujuhus (9. p.)Riordan Rick. Trials OF Apollo The Dark Prophecy. Penguin Random House, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.