Gaya APA

Hoek, R, V. (2001). E-supply chains – virtually non-existing (Volume 6 . Number 1 . 2001 . 21±28). USA: Emerald Insight.

Gaya MLA

Hoek, Remko, Van. "E-supply chains – virtually non-existing". Volume 6 . Number 1 . 2001 . 21±28 USA: Emerald Insight, 2001. Article.