APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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