APA-čujuhus (7. p.)
Williams, D. G. (2012). Black skin, blue books: African Americans and Wales, 1845-1945. University of Wales Press.
Chicago-čujuhus (17. p.)
Williams, Daniel G. Black Skin, Blue Books: African Americans and Wales, 1845-1945. Cardiff: University of Wales Press, 2012.
MLA-čujuhus (9. p.)
Williams, Daniel G. Black Skin, Blue Books: African Americans and Wales, 1845-1945. University of Wales Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.