Lua APA (7ú heag.)

Downie, N., & Heath, R. W. (1970). Basic statistical methods (3rd ed.). Harper & Row.

Lua i Stíl Chicago (17ú heag.)

Downie, N.M, agus R. W. Heath. Basic Statistical Methods. 3rd ed. New York: Harper & Row, 1970.

Lua MLA (9ú heag.)

Downie, N.M, agus R. W. Heath. Basic Statistical Methods. 3rd ed. Harper & Row, 1970.

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