(2001). Annual Editions: Human development 2001-2002 (29th ed.). McGraw-Hill.
Chicago-viite (17. p.)Annual Editions: Human Development 2001-2002. 29th ed. Connecticut: McGraw-Hill, 2001.
MLA-viite (9. p.)Annual Editions: Human Development 2001-2002. 29th ed. McGraw-Hill, 2001.
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