APA-čujuhus (7. p.)

WORLD.. (1991). World development report 1991: The challenge of development. Oxford Univ. Press.

Chicago-čujuhus (17. p.)

WORLD.. World Development Report 1991: The Challenge of Development. Oxford: Oxford Univ. Press, 1991.

MLA-čujuhus (9. p.)

WORLD.. World Development Report 1991: The Challenge of Development. Oxford Univ. Press, 1991.

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