JEFFORSON,H W. (1987). THE WORLD OF PHYSICS. SIMON-SCHUSTER.
Lua i Stíl Chicago (17ú heag.)JEFFORSON,H W. THE WORLD OF PHYSICS. NEW-YORK: SIMON-SCHUSTER, 1987.
Lua MLA (9ú heag.)JEFFORSON,H W. THE WORLD OF PHYSICS. SIMON-SCHUSTER, 1987.
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