Singer, M. (1987). Passage to a human world. Hudson Institute.
Chicagoスタイル(17版)引用形式Singer, Max. Passage to a Human World. Indianapolis, Ind.: Hudson Institute, 1987.
MLA(8版)引用形式Singer, Max. Passage to a Human World. Hudson Institute, 1987.
警告: この引用は必ずしも正確ではありません.