Perry, M., Chase, M., Jacob, J. R., Jacob, M. C., & Von Laue, T. H. (1989). Western civilization: Ideas, politics and society from the 1400s (3rd. ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Perry, Marvin, Myrna Chase, James R. Jacob, Margaret C. Jacob, agus Theodore H. Von Laue. Western Civilization: Ideas, Politics and Society from the 1400s. 3rd. ed. Dallas: Houghton Mifflin, 1989.
Lua MLA (9ú heag.)Perry, Marvin, et al. Western Civilization: Ideas, Politics and Society from the 1400s. 3rd. ed. Houghton Mifflin, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.