Gaya APA

Hans‐Christian, ., Zöllner, W. (1987). Organization for logistics- the contingency approach (Vol. 27 Issue: 5/6). USA: Emerald Insight.

Gaya MLA

Hans‐Christian, ., Zöllner, Werner. "Organization for logistics- the contingency approach". Vol. 27 Issue: 5/6 USA: Emerald Insight, 1987. Article.