Birkin, M. (2003). How to build an inegrated company. Infinity Books.
Chicago-čujuhus (17. p.)Birkin, Malcolm. How to Build an Inegrated Company. New Delhi: Infinity Books, 2003.
MLA-čujuhus (9. p.)Birkin, Malcolm. How to Build an Inegrated Company. Infinity Books, 2003.
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