Vexler, R. I. (1979). Chronology and documentary handbook of the State of Washington. Oceana Publications.
Chicago-viite (17. p.)Vexler, Robert I. Chronology and Documentary Handbook of the State of Washington. Dobbs Ferry, N.Y.: Oceana Publications, 1979.
MLA-viite (8. p.)Vexler, Robert I. Chronology and Documentary Handbook of the State of Washington. Oceana Publications, 1979.
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