Clarke, G., & Cooke, D. 1. . . . .. (1998). A basic course in statistics (4th ed.). E. Arnold.
Lua i Stíl Chicago (17ú heag.)Clarke, G.M, agus D. 1929- Cooke. A Basic Course in Statistics. 4th ed. London: E. Arnold, 1998.
Lua MLA (9ú heag.)Clarke, G.M, agus D. 1929- Cooke. A Basic Course in Statistics. 4th ed. E. Arnold, 1998.
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