An diofar eadar na mùthaidhean a rinneadh air "William Vickrey"

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b robot Adding: no:William Vickrey
Loidhne 24:
[[ko:윌리엄 비크리]]
[[nl:William Vickrey]]
[[no:William Vickrey]]
[[pl:William Vickrey]]
[[pt:William Vickrey]]