Trombley, S. (2013). Fifty thinkers who shaped the modern world. Atlantic Books.
Chicago-čujuhus (17. p.)Trombley, Stephen. Fifty Thinkers Who Shaped the Modern World. London: Atlantic Books, 2013.
MLA-čujuhus (9. p.)Trombley, Stephen. Fifty Thinkers Who Shaped the Modern World. Atlantic Books, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.