Lua APA (7ú heag.)

CHATFIELD CHRISTOPHER. (1978). STATISTICS FOR TECHONOLOGY (2ND.). CHAPMAN & HALL.

Lua i Stíl Chicago (17ú heag.)

CHATFIELD CHRISTOPHER. STATISTICS FOR TECHONOLOGY. 2ND. LONDON: CHAPMAN & HALL, 1978.

Lua MLA (9ú heag.)

CHATFIELD CHRISTOPHER. STATISTICS FOR TECHONOLOGY. 2ND. CHAPMAN & HALL, 1978.

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