Warning - the bibtex entry below may be invalid: 
Missing 'chapter' or 'pages' field 
@inbook{key2,
  author = "J. Efstathiou, S. Sivadasan, A. Calinescu, L. Huaccho Huatuco",
  booktitle = "Supply Chains: Concepts, Critique and Futures",
  editor = "New, S. and Westbrook, R.",
  publisher = "Oxford University Press",
  title = "Supply Chain Complexity",
  year = "2004",
}