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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRamírez, Felipe Vaca, Bolívar Morales Oñate, और Carlos Jiménez Mosquera. Empirical Power and Scaling Laws of Quito, Guayaquil and Other Cities in Ecuador. Universidad San Francisco de Quito USFQ, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRamírez, 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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