STUMPF, E. S. (2020). Philosophy: A historical survey with essential readings. mCgRAW-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSTUMPF, Enoch Samuel. Philosophy: A Historical Survey with Essential Readings. mCgRAW-Hill, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSTUMPF, Enoch Samuel. Philosophy: A Historical Survey with Essential Readings. mCgRAW-Hill, 2020.
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