Coba jelasin Rujukan dari George Wald dalam bahasa melayu dong

Goldstein, B. 2001. Sensation and Perception, 6th ed. London: Wadsworth.

John E. Dowling, "George Wald, 1906–1997: A Biographical Memoir" in Biographical Memoirs, Washington, D.C.: The National Academy Press (National Academy of Sciences), Volume 78, 298:317.

A remembrance by his son Elijah

Papers of George Wald : an inventory

Two of George Wald's speeches can be read on-line:

A Generation in Search of a Future