Dyfyniad APA

Harrigan, J. J. (1988). Politics and policy in States and communities (3rd ed.). Scott, Foresman.

Dyfyniad Arddull Chicago

Harrigan, John J. Politics and Policy in States and Communities. 3rd ed. Boston: Scott, Foresman, 1988.

Dyfyniad MLA

Harrigan, John J. Politics and Policy in States and Communities. 3rd ed. Scott, Foresman, 1988.

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