Roy, E. V. (1971). Economic systems of Northern Thailand: Structure and change. London: Cornell University Press.
Trích dẫn kiểu ChicagoRoy, Edward Van. Economic Systems of Northern Thailand: Structure and Change. London: Cornell University Press, 1971.
Trích dẫn MLARoy, Edward Van. Economic Systems of Northern Thailand: Structure and Change. London: Cornell University Press, 1971.
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