Perry, M., & Marvin Perry; Matthew Berg; James Krukones. (2000). Sources of twentieth-century Europe. Boston: Houghton Mifflin.
Chicago Style aipamenaPerry, Marvin, và Marvin Perry; Matthew Berg; James Krukones. Sources of Twentieth-century Europe. Boston: Houghton Mifflin, 2000.
MLA aipamenaPerry, Marvin, và Marvin Perry; Matthew Berg; James Krukones. Sources of Twentieth-century Europe. Boston: Houghton Mifflin, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.