De Soto, H., «The Mystery of Capital: Why Capitalism Triumphs in the West and Fails Everywhere Else», Нью-Йорк, издательство Basic Books, 2003 г.
138
Swan, M., «Crowdsourced Health Research Studies: An Important Emerging Complement to Clinical Trials in the Public Health Research Ecosystem», журнал J Med Internet Res, том 14, № 2 (2012 г.), с. e46.