Schram, B., & Mandell, B. R. (1997). An introduction to human services: Policy and practice (3rd ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchram, Barbara, और Betty Reid Mandell. An Introduction to Human Services: Policy and Practice. 3rd ed. Boston: Allyn and Bacon, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchram, Barbara, और Betty Reid Mandell. An Introduction to Human Services: Policy and Practice. 3rd ed. Allyn and Bacon, 1997.
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