Dyfyniad APA

HEATER, D., & BERRIDGE, R. (1992). Introduction to international politics. Harvester Wheatsheaf.

Dyfyniad Arddull Chicago

HEATER, Derek, and R. BERRIDGE. Introduction to International Politics. New york: Harvester Wheatsheaf, 1992.

Dyfyniad MLA

HEATER, Derek, and R. BERRIDGE. Introduction to International Politics. Harvester Wheatsheaf, 1992.

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