Piper, C. S. (1966). Soil and plant analysis: A laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants. Hans publishers.
Chicago Edition CitationPiper, C S. Soil and Plant Analysis: A Laboratory Manual of Methods for the Examination of Soils and the Determination of the Inorganic Constituents of Plants. Bombay: Hans publishers, 1966.
MLA Edition CitationPiper, C S. Soil and Plant Analysis: A Laboratory Manual of Methods for the Examination of Soils and the Determination of the Inorganic Constituents of Plants. Hans publishers, 1966.
Warning: These citations may not always be 100% accurate.