Havlin, J. L., & John L. Havlin. (2006). Laboratory Manual Instructor's Guide to Accompany Fundamental soil science. Australia,United States: Thomson Delmar Learning.
シカゴスタイル引用形Havlin, John L., , John L. Havlin. Laboratory Manual Instructor's Guide to Accompany Fundamental Soil Science. Australia,United States: Thomson Delmar Learning, 2006.
MLA引用形式Havlin, John L., , John L. Havlin. Laboratory Manual Instructor's Guide to Accompany Fundamental Soil Science. Australia,United States: Thomson Delmar Learning, 2006.
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