Otto, L. (2015). 51 Greatest modern heros: Heros who Changed the World. Jaico Publishing.
Chicago-čujuhus (17. p.)Otto, Lucas. 51 Greatest Modern Heros: Heros Who Changed the World. Mumbai: Jaico Publishing, 2015.
MLA-čujuhus (9. p.)Otto, Lucas. 51 Greatest Modern Heros: Heros Who Changed the World. Jaico Publishing, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.