APA (7 ম সংস্করণ) উদ্ধৃতি

BARNEY JAY B. (2002). GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED (2ND.). PEARSON EDUCATION.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

BARNEY JAY B. GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED. 2ND. NEW DELHI: PEARSON EDUCATION, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

BARNEY JAY B. GAINING AND SUSTAINING COMPETITIVE ADVANTAGE 2 ED. 2ND. PEARSON EDUCATION, 2002.