APA-čujuhus (7. p.)

Black, A. (1993). Political thought in Europe: 1250-1450. Univ. Pr.

Chicago-čujuhus (17. p.)

Black, Antony. Political Thought in Europe: 1250-1450. Cambridge: Univ. Pr, 1993.

MLA-čujuhus (9. p.)

Black, Antony. Political Thought in Europe: 1250-1450. Univ. Pr, 1993.

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