Gaya APA

Delfmann, W. et al (2002). The impact of electronic commerce on logistics service providers (Vol. 32 Issue: 3, pp.203-222). Germany: Emerald Insight.

Gaya MLA

Delfmann, Werner. et al. "The impact of electronic commerce on logistics service providers". Vol. 32 Issue: 3, pp.203-222 Germany: Emerald Insight, 2002. FIC.