Kupperman, J. J. (1978). Philosophy: The fundamental problems. St. Martin's Press.
Chicagoスタイル(17版)引用形式Kupperman, Joel J. Philosophy: The Fundamental Problems. New York: St. Martin's Press, 1978.
MLA(9版)引用形式Kupperman, Joel J. Philosophy: The Fundamental Problems. St. Martin's Press, 1978.
警告: この引用は必ずしも正確ではありません.