Dyfyniad APA

Leon-Guerrero, A. (2009). Social problems: Community, policy, and social action (2nd ed.). Pine Forge Press.

Dyfyniad Arddull Chicago

Leon-Guerrero, Anna. Social Problems: Community, Policy, and Social Action. 2nd ed. Thousand Oaks, Calif: Pine Forge Press, 2009.

Dyfyniad MLA

Leon-Guerrero, Anna. Social Problems: Community, Policy, and Social Action. 2nd ed. Pine Forge Press, 2009.

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