APA-čujuhus (7. p.)

Isenberg, D. (2013). Worthless. Impossible and stupid. Harvard.

Chicago-čujuhus (17. p.)

Isenberg, Daniel. Worthless. Impossible and Stupid. Boston: Harvard, 2013.

MLA-čujuhus (9. p.)

Isenberg, Daniel. Worthless. Impossible and Stupid. Harvard, 2013.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.