Rutgers University. (1916). Soil science. Williams & Wilkins.
Chicagoスタイル(17版)引用形式Rutgers University. Soil Science. Baltimore, Md: Williams & Wilkins, 1916.
MLA(8版)引用形式Rutgers University. Soil Science. Williams & Wilkins, 1916.
警告: この引用は必ずしも正確ではありません.