Ramírez, F. V., Oñate, B. M., & Mosquera, C. J. (2015). Empirical Power and Scaling laws of Quito, Guayaquil and other cities in Ecuador. Universidad San Francisco de Quito USFQ.
Chicago-referens (17:e uppl.)Ramírez, Felipe Vaca, Bolívar Morales Oñate, och Carlos Jiménez Mosquera. Empirical Power and Scaling Laws of Quito, Guayaquil and Other Cities in Ecuador. Universidad San Francisco de Quito USFQ, 2015.
MLA-referens (9:e uppl.)Ramírez, Felipe Vaca, et al. Empirical Power and Scaling Laws of Quito, Guayaquil and Other Cities in Ecuador. Universidad San Francisco de Quito USFQ, 2015.
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