Dyfyniad APA
Gregory R Paul & Stuart, R. . C. (1989). Comparative economic systems (3rd ed.). Houghton Mifflin Co.
Dyfyniad Arddull Chicago
Gregory R Paul and Robert C. Stuart. Comparative Economic Systems. 3rd ed. Boston: Houghton Mifflin Co, 1989.
Dyfyniad MLA
Gregory R Paul and Robert C. Stuart. Comparative Economic Systems. 3rd ed. Houghton Mifflin Co, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.