Dyfyniad APA

Janda, K., Berry, J. M., & Goldman, J. (2000). The challenge of democracy: Government in America : 1999-2000 update (Sixth edition.). Houghton Mifflin.

Dyfyniad Arddull Chicago

Janda, Kenneth, Jeffrey M. Berry, and Jerry Goldman. The Challenge of Democracy: Government in America : 1999-2000 Update. Sixth edition. Boston: Houghton Mifflin, 2000.

Dyfyniad MLA

Janda, Kenneth, et al. The Challenge of Democracy: Government in America : 1999-2000 Update. Sixth edition. Houghton Mifflin, 2000.

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