Galster, H. (1991). pH measurement: Fundamentals, methods, applications, instrumentation. VCH Publisher.
Cita Chicago Style (17a ed.)Galster, Helmuth. PH Measurement: Fundamentals, Methods, Applications, Instrumentation. New York: VCH Publisher, 1991.
Cita MLA (8a ed.)Galster, Helmuth. PH Measurement: Fundamentals, Methods, Applications, Instrumentation. VCH Publisher, 1991.
Precaución: Estas citas no son 100% exactas.