Anderson, E., & Exman, E. (1955). The world of Albert Schweitzer: A book of photographs. Harper.
Dyfyniad Arddull ChicagoAnderson, Erica, and Eugene Exman. The World of Albert Schweitzer: A Book of Photographs. New York: Harper, 1955.
Dyfyniad MLAAnderson, Erica, and Eugene Exman. The World of Albert Schweitzer: A Book of Photographs. Harper, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.