Wieczynski, J. L. (1994). Index of Entries by Time Periods: Prepared by the editors of Academic International Press. Acad. Int. Press.
Citace podle Chicago (17th ed.)Wieczynski, Joseph L. Index of Entries by Time Periods: Prepared by the Editors of Academic International Press. Gulf Breeze: Acad. Int. Press, 1994.
Citace podle MLA (8th ed.)Wieczynski, Joseph L. Index of Entries by Time Periods: Prepared by the Editors of Academic International Press. Acad. Int. Press, 1994.
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