APA-čujuhus (7. p.)
Doyle, A. C., & Edwards, O. D. (1994). The valley of fear. Oxford University Press.
Chicago-čujuhus (17. p.)
Doyle, Arthur Conan, juo Owen Dudley Edwards. The Valley of Fear. Oxford [England] ; New York: Oxford University Press, 1994.
MLA-čujuhus (9. p.)
Doyle, Arthur Conan, juo Owen Dudley Edwards. The Valley of Fear. Oxford University Press, 1994.
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