Lua APA (7ú heag.)

PATEL J B. (1995). MANUAL ON BUSINESS OPPORTUNITY IDENTIFICATION AND SELECTION. ENTREPRENEURSHIP DEV. INSTITUTE OF INDIA.

Lua i Stíl Chicago (17ú heag.)

PATEL J B. MANUAL ON BUSINESS OPPORTUNITY IDENTIFICATION AND SELECTION. AHMEDABAD: ENTREPRENEURSHIP DEV. INSTITUTE OF INDIA, 1995.

Lua MLA (9ú heag.)

PATEL J B. MANUAL ON BUSINESS OPPORTUNITY IDENTIFICATION AND SELECTION. ENTREPRENEURSHIP DEV. INSTITUTE OF INDIA, 1995.

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