Graciǹ y Morales, B., & Lockley, L. C. (1967). The science of success and the art of prudence. University of Santa Clara Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGraciǹ y Morales, Baltasar, और Lawrence Campbell Lockley. The Science of Success and the Art of Prudence. [San Jose, Calif.]: University of Santa Clara Press, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGraciǹ y Morales, Baltasar, और Lawrence Campbell Lockley. The Science of Success and the Art of Prudence. University of Santa Clara Press, 1967.
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