Buchan, J., Bullard, N., & Tiner, R. (2008). The thirty-nine steps. Oxford University Press.
Chicago Style (17. basım) AtıfBuchan, John, Nick Bullard, ve Ron Tiner. The Thirty-nine Steps. Oxford: Oxford University Press, 2008.
MLA (9th ed.) AtıfBuchan, John, et al. The Thirty-nine Steps. Oxford University Press, 2008.
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