Dyfyniad APA

Perry, M. (1990). Western civilization: A brief survey. Houghton Mifflin Company.

Dyfyniad Arddull Chicago

Perry, Marvin. Western Civilization: A Brief Survey. Dallas Geneva: Houghton Mifflin Company, 1990.

Dyfyniad MLA

Perry, Marvin. Western Civilization: A Brief Survey. Houghton Mifflin Company, 1990.

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