APA-čujuhus (7. p.)
Porpora, D. V. (2001). Landscapes of the soul: The loss of moral meaning in American life. Oxford University Press.
Chicago-čujuhus (17. p.)
Porpora, Douglas V. Landscapes of the Soul: The Loss of Moral Meaning in American Life. Oxford ; New York: Oxford University Press, 2001.
MLA-čujuhus (9. p.)
Porpora, Douglas V. Landscapes of the Soul: The Loss of Moral Meaning in American Life. Oxford University Press, 2001.
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