Gaya APA

Ng, B. et al (1997). The role of purchasing/transportation in cycle time reduction (Vol. 17 No. 6, 1997). USA: Emerald Insight.

Gaya MLA

Ng, Billy. et al. "The role of purchasing/transportation in cycle time reduction". Vol. 17 No. 6, 1997 USA: Emerald Insight, 1997. Article.