Gaya APA

Lieb, K, J., Lieb, R, C. (2010). Environmental sustainability in the third-party logistics (3PL) industry (Vol. 40 No. 7, 2010 pp. 524-533). USA: Emerald Insight.

Gaya MLA

Lieb, Kristin, J.., Lieb, Robert, C.. "Environmental sustainability in the third-party logistics (3PL) industry". Vol. 40 No. 7, 2010 pp. 524-533 USA: Emerald Insight, 2010. Article.