Gaya APA

Wallenburg, C, M. et al (2010). Developing a scale for proactive improvement within logistics outsourcing relationships (Vol. 21 No. 1, 2010). USA: Emerald Insight.

Gaya MLA

Wallenburg, Carl, Marcus. et al. "Developing a scale for proactive improvement within logistics outsourcing relationships". Vol. 21 No. 1, 2010 USA: Emerald Insight, 2010. Article.