Παραπομπή APA

Roberts, B., & Berg, N. (2012). Walmart: Key insights and practical lessons from the worlds largest retailer. Kogan page Limited.

Παραπομπή Chicago Style

Roberts, Bryan, και Natalie Berg. Walmart: Key Insights and Practical Lessons from the Worlds Largest Retailer. New Delhi: Kogan page Limited, 2012.

Παραπομπή MLA

Roberts, Bryan, και Natalie Berg. Walmart: Key Insights and Practical Lessons from the Worlds Largest Retailer. Kogan page Limited, 2012.