Dyfyniad APA

Greenberg, E. S., & Mayer, T. F. (1990). Changes in the state: Causes and consequences. Sage Publications.

Dyfyniad Arddull Chicago

Greenberg, Edward S., and Thomas F. Mayer. Changes in the State: Causes and Consequences. Newbury Park, Calif.: Sage Publications, 1990.

Dyfyniad MLA

Greenberg, Edward S., and Thomas F. Mayer. Changes in the State: Causes and Consequences. Sage Publications, 1990.

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