APA-čujuhus (7. p.)
Smith, M. W., & Penrose, R. (2013). Beating the odds: The life and times of E.A. Milne. Imperial College Press.
Chicago-čujuhus (17. p.)
Smith, Meg Weston, juo Roger Penrose. Beating the Odds: The Life and Times of E.A. Milne. London: Imperial College Press, 2013.
MLA-čujuhus (9. p.)
Smith, Meg Weston, juo Roger Penrose. Beating the Odds: The Life and Times of E.A. Milne. Imperial College Press, 2013.
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