Shulman, L. (2009). The skills of helping individuals, families, groups and communities (6th ed.). Brooks/Cole Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShulman, Lawrence. The Skills of Helping Individuals, Families, Groups and Communities. 6th ed. Belmont, Calif: Brooks/Cole Cengage Learning, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShulman, Lawrence. The Skills of Helping Individuals, Families, Groups and Communities. 6th ed. Brooks/Cole Cengage Learning, 2009.
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