Pryor, E. B. (1987). Clara Barton: Professional angel. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)Pryor, Elizabeth Brown. Clara Barton: Professional Angel. Philadelphia [Pa.]: University of Pennsylvania Press, 1987.
MLA-čujuhus (9. p.)Pryor, Elizabeth Brown. Clara Barton: Professional Angel. University of Pennsylvania Press, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.