Dixon, F. W. (1933). Footprints under the window. New York: Grosset & Dunlap.
Dyfyniad Arddull ChicagoDixon, Franklin W. Footprints Under the Window. New York: Grosset & Dunlap, 1933.
Dyfyniad MLADixon, Franklin W. Footprints Under the Window. New York: Grosset & Dunlap, 1933.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.