APA-čujuhus (7. p.)
Biggs, B. (2012). Diary of a hedgehog: Biggs' final words on the markets. Wiley.
Chicago-čujuhus (17. p.)
Biggs, Barton. Diary of a Hedgehog: Biggs' Final Words on the Markets. Hoboken, N.J.: Wiley, 2012.
MLA-čujuhus (9. p.)
Biggs, Barton. Diary of a Hedgehog: Biggs' Final Words on the Markets. Wiley, 2012.
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