Colson, F. H. (1926). The week: An essay on the origin and development of the seven-day cycle. The University Press.
Cita Chicago Style (17a ed.)Colson, Francis H. The Week: An Essay on the Origin and Development of the Seven-day Cycle. Cambridge: The University Press, 1926.
Cita MLA (8a ed.)Colson, Francis H. The Week: An Essay on the Origin and Development of the Seven-day Cycle. The University Press, 1926.
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