Chodorow, S., Gatzke, H. W., Schirokauer, C., Strayer, J. R., & Knox, M. (1989). The mainstream of civilization since 1500 (5th ed.). Harcourt.
Lua i Stíl Chicago (17ú heag.)Chodorow, Stanley, Hans W. Gatzke, Conrad Schirokauer, Joseph R. Strayer, agus MacGregor Knox. The Mainstream of Civilization Since 1500. 5th ed. San Diego: Harcourt, 1989.
Lua MLA (9ú heag.)Chodorow, Stanley, et al. The Mainstream of Civilization Since 1500. 5th ed. Harcourt, 1989.
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