Dyfyniad APA
Berry, J. M. (1984). The interest group society (ed.). Little, Brown and Co..
Dyfyniad Arddull Chicago
Berry, Jeffrey M. The Interest Group Society. ed. Boston: Little, Brown and Co., 1984.
Dyfyniad MLA
Berry, Jeffrey M. The Interest Group Society. ed. Little, Brown and Co., 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.