Hospers, J. (1972). Human conduct: Problems of ethics. Harcourt Brace Jovanovich.
Chicagoスタイル(17版)引用形式Hospers, John. Human Conduct: Problems of Ethics. New York: Harcourt Brace Jovanovich, 1972.
MLA(9版)引用形式Hospers, John. Human Conduct: Problems of Ethics. Harcourt Brace Jovanovich, 1972.
警告: この引用は必ずしも正確ではありません.