Mattock, G. (1961). pH measurement and titration. Heywood.
Cita Chicago (17th ed.)Mattock, George. PH Measurement and Titration. Lond.: Heywood, 1961.
Cita MLA (8th ed.)Mattock, George. PH Measurement and Titration. Heywood, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.