Dumas, A. 1., & Coward, D. (1993). The black tulip. New York: Oxford University Press.
Trích dẫn kiểu ChicagoDumas, Alexandre 1802-1870, và David Coward. The Black Tulip. New York: Oxford University Press, 1993.
Deismireacht MLADumas, Alexandre 1802-1870, và David Coward. The Black Tulip. New York: Oxford University Press, 1993.
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