Dyfyniad APA

Johnson, L. C., Schwartz, C. L., & Tate, D. S. (1997). Social welfare: A response to human need (4th ed.). Allyn and Bacon.

Dyfyniad Arddull Chicago

Johnson, Louise C., Charles. L. Schwartz, and Donald S. Tate. Social Welfare: A Response to Human Need. 4th ed. Boston: Allyn and Bacon, 1997.

Dyfyniad MLA

Johnson, Louise C., et al. Social Welfare: A Response to Human Need. 4th ed. Allyn and Bacon, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.