Gaya APA

Ritchie, J. et al (2008). A Framework For Purchasing Transport Services in Small And Medium Size Enterprises (Vol. 38 Iss 1 pp). United Kingdom: Emerald Insight.

Gaya MLA

Ritchie, James. et al. "A Framework For Purchasing Transport Services in Small And Medium Size Enterprises". Vol. 38 Iss 1 pp United Kingdom: Emerald Insight, 2008. Article.