Ryan, R. (2009). Over 40 & you're hired!: Secrets to landing a great job. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRyan, Robin. Over 40 & You're Hired!: Secrets to Landing a Great Job. New York: Penguin Books, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRyan, Robin. Over 40 & You're Hired!: Secrets to Landing a Great Job. Penguin Books, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.