Lua APA (7ú heag.)

VOHRA N D. (1992). QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Lua i Stíl Chicago (17ú heag.)

VOHRA N D. QUANTITATIVE TECHNIQUES. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.

Lua MLA (9ú heag.)

VOHRA N D. QUANTITATIVE TECHNIQUES. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1992.

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