Kogan, B. S. (1991). A Time to be born and a time to die: The ethics of choice. Hawthorne, N.Y: Aldine De Gruyter.
Chicago-tyylinen lähdeviittausKogan, Barry S. A Time to Be Born and a Time to Die: The Ethics of Choice. Hawthorne, N.Y: Aldine De Gruyter, 1991.
MLA-viiteKogan, Barry S. A Time to Be Born and a Time to Die: The Ethics of Choice. Hawthorne, N.Y: Aldine De Gruyter, 1991.
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