Dyfyniad APA
Pryor, E. B. (1987). Clara Barton: Professional angel. University of Pennsylvania Press.
Dyfyniad Arddull Chicago
Pryor, Elizabeth Brown. Clara Barton: Professional Angel. Philadelphia [Pa.]: University of Pennsylvania Press, 1987.
Dyfyniad MLA
Pryor, Elizabeth Brown. Clara Barton: Professional Angel. University of Pennsylvania Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.