Sharp, P., & Weisdorf, J. (2007). From preventive to permissive checks: The changing nature of the Malthusian relationship between nuptiality and the price of provisions in the nineteenth century. University of Oxford.
Čikaški stil citiranja (17. izdanje)Sharp, P., i J. Weisdorf. From Preventive to Permissive Checks: The Changing Nature of the Malthusian Relationship Between Nuptiality and the Price of Provisions in the Nineteenth Century. University of Oxford, 2007.
MLA način citiranja (9. izdanje)Sharp, P., i J. Weisdorf. From Preventive to Permissive Checks: The Changing Nature of the Malthusian Relationship Between Nuptiality and the Price of Provisions in the Nineteenth Century. University of Oxford, 2007.
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