Gaya APA

Dunn, S, C., Wu, H. (1995). Environmentally responsible logistics systems (Vol. 25 No. 2, 1995, pp. 20-38.). USA: Emerald Insight.

Gaya MLA

Dunn, Steven, C.., Wu, Haw-Jan. "Environmentally responsible logistics systems". Vol. 25 No. 2, 1995, pp. 20-38. USA: Emerald Insight, 1995. Article.