APA-čujuhus (7. p.)
Peters, E. (1977). Europe: The world of the Middle Ages. Prentice-Hall.
Chicago-čujuhus (17. p.)
Peters, Edward. Europe: The World of the Middle Ages. Englewood Cliffs, N.J.: Prentice-Hall, 1977.
MLA-čujuhus (9. p.)
Peters, Edward. Europe: The World of the Middle Ages. Prentice-Hall, 1977.
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