Gray, D. E. (1966). Man and his physical world. D. Van Nostrand.
Chicagoスタイル(17版)引用形式Gray, Dwight E. Man and His Physical World. Princeton: D. Van Nostrand, 1966.
MLA(9版)引用形式Gray, Dwight E. Man and His Physical World. D. Van Nostrand, 1966.
警告: この引用は必ずしも正確ではありません.