Marvin Perry & Perry, M. .. .. [. e. . . . . a. (1989). Western civilization : ideas, politics and: Society (3rd ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Marvin Perry i Marvin . ..... [ et al] Perry. Western Civilization : Ideas, Politics and: Society. 3rd ed. Boston: Houghton Mifflin, 1989.
Cita MLA (9th ed.)Marvin Perry i Marvin . ..... [ et al] Perry. Western Civilization : Ideas, Politics and: Society. 3rd ed. Houghton Mifflin, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.