Wennberg, R. N. (1989). Terminal choices: Euthanasia, suicide, and the right to die. William B. Eerdmans.
芝加哥风格引文Wennberg, Robert N. Terminal Choices: Euthanasia, Suicide, and the Right to Die. Grand Rapids: William B. Eerdmans, 1989.
MLA引文Wennberg, Robert N. Terminal Choices: Euthanasia, Suicide, and the Right to Die. William B. Eerdmans, 1989.
警告：这些引文格式不一定是100％准确.