Pickard, N. J., & Radomsky, S. W. (1960). Introductory chemistry and physics. Van Nostrand.
Cita Chicago (17th ed.)Pickard, Norman J., i Steve W. Radomsky. Introductory Chemistry and Physics. Princeton, NJ: Van Nostrand, 1960.
Cita MLA (9th ed.)Pickard, Norman J., i Steve W. Radomsky. Introductory Chemistry and Physics. Van Nostrand, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.