APA-čujuhus (7. p.)
Goulet, D. (1978). The Cruel Choice: A New Concept in the Theory of Development.
Chicago-čujuhus (17. p.)
Goulet, Denis. The Cruel Choice: A New Concept in the Theory of Development. 1978.
MLA-čujuhus (9. p.)
Goulet, Denis. The Cruel Choice: A New Concept in the Theory of Development. 1978.
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