APA-čujuhus (7. p.)

Spengler, O. (1918). The decline of the west. AUWSF.

Chicago-čujuhus (17. p.)

Spengler, Oswald. The Decline of the West. London: AUWSF, 1918.

MLA-čujuhus (9. p.)

Spengler, Oswald. The Decline of the West. AUWSF, 1918.

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