APA-čujuhus (7. p.)
Kierkegaard, S. (1948). Purity of heart: Is to will one thing. Harper & Row.
Chicago-čujuhus (17. p.)
Kierkegaard, Soren. Purity of Heart: Is to Will One Thing. New York: Harper & Row, 1948.
MLA-čujuhus (9. p.)
Kierkegaard, Soren. Purity of Heart: Is to Will One Thing. Harper & Row, 1948.
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