Croxton, F. E. .. (1980). Applied General Statistics Frederick E Croxton; Dudley J. Cowden And Sidney Klein. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Croxton, Frederick E ...l. Applied General Statistics Frederick E Croxton; Dudley J. Cowden And Sidney Klein. Prentice-Hall, 1980.
Lua MLA (8ú heag.)Croxton, Frederick E ...l. Applied General Statistics Frederick E Croxton; Dudley J. Cowden And Sidney Klein. Prentice-Hall, 1980.
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