PLANE, D. R. (1986). Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications.
Lua i Stíl Chicago (17ú heag.)PLANE, Donald R. Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications, 1986.
Lua MLA (8ú heag.)PLANE, Donald R. Business And Economic Ststistics Donald R. Plane And Edward B. Oppermann. Business Publications, 1986.
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