Piper, C. S. (1950). Soil and plant analysis: A laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants. Univ. of Adelaide.
Chicago Style (17th ed.) 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. Adelaide: Univ. of Adelaide, 1950.
ציטוט MLAPiper, 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. Univ. of Adelaide, 1950.
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