(1961). A Sourcebook For The Physical Scienses Oleh Alexander Joseph Et.al. Harcoutt, Brace & World.
Lua i Stíl Chicago (17ú heag.)A Sourcebook For The Physical Scienses Oleh Alexander Joseph Et.al. Harcoutt, Brace & World, 1961.
Lua MLA (8ú heag.)A Sourcebook For The Physical Scienses Oleh Alexander Joseph Et.al. Harcoutt, Brace & World, 1961.
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