Ryan, J., & Estefan, G. R. (2007). Soil and plant analysis laboratory manual (2nd. ed.). Scientific Publishers.
シカゴスタイル引用形Ryan, John, , George Rashid Estefan. Soil and Plant Analysis Laboratory Manual. 2nd. ed. Jodhpur: Scientific Publishers, 2007.
MLA引用形式Ryan, John, , George Rashid Estefan. Soil and Plant Analysis Laboratory Manual. 2nd. ed. Scientific Publishers, 2007.
警告: この引用は必ずしも正確ではありません.