Gaya APA

Christopher, M. et al (2011). Approaches to managing global sourcing risk (Volume 16 · Number 2 · 2011 · 67–81). Turkey: Emerald Insight.

Gaya MLA

Christopher, Martin. et al. "Approaches to managing global sourcing risk". Volume 16 · Number 2 · 2011 · 67–81 Turkey: Emerald Insight, 2011. Article.