Lua APA (7ú heag.)

HARWOOD GORDON B. (1979). SELF REVIEW IN QUANTITATIVE METHODS (2ND.). RICHARD D.IRWIN INC.

Lua i Stíl Chicago (17ú heag.)

HARWOOD GORDON B. SELF REVIEW IN QUANTITATIVE METHODS. 2ND. ILLIONS: RICHARD D.IRWIN INC, 1979.

Lua MLA (9ú heag.)

HARWOOD GORDON B. SELF REVIEW IN QUANTITATIVE METHODS. 2ND. RICHARD D.IRWIN INC, 1979.

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