ebrary, Inc, & Bertka, C. M. (2009). Exploring the origin, extent, and future of life: Philosophical, ethical, and theological perspectives. Cambridge University Press.
Citace podle Chicago (17th ed.)ebrary, Inc, a Constance M. Bertka. Exploring the Origin, Extent, and Future of Life: Philosophical, Ethical, and Theological Perspectives. Cambridge: Cambridge University Press, 2009.
Citace podle MLA (9th ed.)ebrary, Inc, a Constance M. Bertka. Exploring the Origin, Extent, and Future of Life: Philosophical, Ethical, and Theological Perspectives. Cambridge University Press, 2009.
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