Lua APA (7ú heag.)

HAROWITZ, I. (1972). An introduction to quantitative busines analysis (2.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

HAROWITZ, IRA. An Introduction to Quantitative Busines Analysis. 2. Rio de Janeiro: McGraw-Hill, 1972.

Lua MLA (8ú heag.)

HAROWITZ, IRA. An Introduction to Quantitative Busines Analysis. 2. McGraw-Hill, 1972.

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