Dyfyniad APA

Perry, M. (1992). Western civilization: Ideas, politics & society (4th ed.). Houghton Mifflin Co..

Dyfyniad Arddull Chicago

Perry, Marvin. Western Civilization: Ideas, Politics & Society. 4th ed. Dallas: Houghton Mifflin Co., 1992.

Dyfyniad MLA

Perry, Marvin. Western Civilization: Ideas, Politics & Society. 4th ed. Houghton Mifflin Co., 1992.

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