Gaya APA

Walker, B. et al (2000). Unlocking the supply chain to build competitive advantage (Vol. 11 Issue: 2, pp.1-8). USA: Emerald Insight.

Gaya MLA

Walker, Brian. et al. "Unlocking the supply chain to build competitive advantage". Vol. 11 Issue: 2, pp.1-8 USA: Emerald Insight, 2000. Article.