Pople, J. A., & Beveridge, D. L. (1970). Approximate molecular orbital theory. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pople, John A., agus David L. Beveridge. Approximate Molecular Orbital Theory. New York: McGraw-Hill, 1970.
Lua MLA (8ú heag.)Pople, John A., agus David L. Beveridge. Approximate Molecular Orbital Theory. McGraw-Hill, 1970.
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