Block, P. (1993). Stewardhsip: Choosing service overself interest. Berrett-Kochler.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlock, Peter. Stewardhsip: Choosing Service Overself Interest. San Francisco: Berrett-Kochler, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBlock, Peter. Stewardhsip: Choosing Service Overself Interest. Berrett-Kochler, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.