Parkinson. An Emotional State. University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParkinson. An Emotional State. University of Michigan Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रParkinson. An Emotional State. University of Michigan Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.