Walton, H. F. (1952). Principles and methods of chemical analysis. Prentice-Hall.
Cita Chicago Style (17a ed.)Walton, Harold F. Principles and Methods of Chemical Analysis. New Jersey: Prentice-Hall, 1952.
Cita MLA (9a ed.)Walton, Harold F. Principles and Methods of Chemical Analysis. Prentice-Hall, 1952.
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