Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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