Merkoša sitáhtat

APA-čujuhus (7. p.)
Barbour, I. G. (1976). Finite resources and the human future. Augsburg.
Chicago-čujuhus (17. p.)
Barbour, Ian G. Finite Resources and the Human Future. Minnesota: Augsburg, 1976.
MLA-čujuhus (9. p.)
Barbour, Ian G. Finite Resources and the Human Future. Augsburg, 1976.
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