Williams, G. A. (1969). Elementary physics: Atoms, waves, particles. McGraw-Hill.
शिकागो स्टाइल उद्धरणWilliams, George Abiah. Elementary Physics: Atoms, Waves, Particles. New York: McGraw-Hill, 1969.
एमएलए उद्धरणWilliams, George Abiah. Elementary Physics: Atoms, Waves, Particles. McGraw-Hill, 1969.
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