Schumpeter, Joseph A. (1994), «Part II From the Beginning to the First Classical Situation (to about 1790), chapter 2 The scholastic Doctors and the Philosophers of Natural Law», History of Economic Analysis, pp. 74-75, ISBN978-0-415-10888-1, OCLC269819.. En la nota a pie de página, Schumpeter se refiere a Usher, Abbott Payson (1943). The Early History of Deposit Banking in Mediterranean Europe. Harvard economic studies; v. 75. Harvard university press. and de Roover, Raymond (December 1942). «Money, Banking, and Credit in Medieval Bruges». Journal of Economic History. 2, supplement S1: 52-65. doi:10.1017/S0022050700083431.
Becker, Sascha O.; Woessmann, Ludger (May 2009). «Was Weber Wrong? A Human Capital Theory of Protestant Economic History *». Quarterly Journal of Economics(en inglés)124 (2): 531-596. ISSN0033-5533. S2CID3113486. doi:10.1162/qjec.2009.124.2.531.
Schumpeter, Joseph A. (1994), «Part II From the Beginning to the First Classical Situation (to about 1790), chapter 2 The scholastic Doctors and the Philosophers of Natural Law», History of Economic Analysis, pp. 74-75, ISBN978-0-415-10888-1, OCLC269819.. En la nota a pie de página, Schumpeter se refiere a Usher, Abbott Payson (1943). The Early History of Deposit Banking in Mediterranean Europe. Harvard economic studies; v. 75. Harvard university press. and de Roover, Raymond (December 1942). «Money, Banking, and Credit in Medieval Bruges». Journal of Economic History. 2, supplement S1: 52-65. doi:10.1017/S0022050700083431.
Becker, Sascha O.; Woessmann, Ludger (May 2009). «Was Weber Wrong? A Human Capital Theory of Protestant Economic History *». Quarterly Journal of Economics(en inglés)124 (2): 531-596. ISSN0033-5533. S2CID3113486. doi:10.1162/qjec.2009.124.2.531.
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Public Encyclopedia. «Protestant Ethic»(en inglés). Consultado el 19 de septiembre de 2019.
Becker, Sascha O.; Woessmann, Ludger (May 2009). «Was Weber Wrong? A Human Capital Theory of Protestant Economic History *». Quarterly Journal of Economics(en inglés)124 (2): 531-596. ISSN0033-5533. S2CID3113486. doi:10.1162/qjec.2009.124.2.531.
Schumpeter, Joseph A. (1994), «Part II From the Beginning to the First Classical Situation (to about 1790), chapter 2 The scholastic Doctors and the Philosophers of Natural Law», History of Economic Analysis, pp. 74-75, ISBN978-0-415-10888-1, OCLC269819.. En la nota a pie de página, Schumpeter se refiere a Usher, Abbott Payson (1943). The Early History of Deposit Banking in Mediterranean Europe. Harvard economic studies; v. 75. Harvard university press. and de Roover, Raymond (December 1942). «Money, Banking, and Credit in Medieval Bruges». Journal of Economic History. 2, supplement S1: 52-65. doi:10.1017/S0022050700083431.