Dyfyniad APA
(1939). In the Shadow of History. University of North Texas Press.
Dyfyniad Arddull Chicago
In the Shadow of History. [s.l.]: University of North Texas Press, 1939.
Dyfyniad MLA
In the Shadow of History. University of North Texas Press, 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.