8Vining A. A conceptual Framework for Understanding the Outsourcing Decision[J].European Management Journal, 1999, 17 (6): 645-654.
9Hsiao H I, vander Vorst, J G A J Kemp, R G M. Developing a Decision-making Framework for Levels of Logistics Outsourcing in Food Supply Chain Networks[J]. International Journal of Physical Distribution & Logistics Management, 2010, 40 (5): 395-414.
10Bolumole Y A, Frankel R, Naslund D. Developing a Theoretical Framework for Logistics Outsourcing[J]. Transportation Journal, 2007, 46 (2): 35-54.