Tohutoro APA (7th ed.)
Head, K. H., & Epps, R. J. (2014). Manual of soil laboratory testing (Third edition.). Whittles Publishing.
Tohutoru Kātū Chicago (17th ed.)
Head, K. H., me R. J. Epps. Manual of Soil Laboratory Testing. Third edition. Caithness, Scotland: Whittles Publishing, 2014.
Tohutoro MLA (9th ed.)
Head, K. H., me R. J. Epps. Manual of Soil Laboratory Testing. Third edition. Whittles Publishing, 2014.
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