Jones, J. B. (2001). Labratory guide for conducting soil tests and: Plant analysis. CRC Pr..
Tohutoru Kātū Chicago (17th ed.)Jones, J. Benton. Labratory Guide for Conducting Soil Tests and: Plant Analysis. Boca Raton: CRC Pr., 2001.
Tohutoro MLA (9th ed.)Jones, J. Benton. Labratory Guide for Conducting Soil Tests and: Plant Analysis. CRC Pr., 2001.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.