YIP, G. &. O. (2007). MANAGING GLOBAL CUSTOMERS. OXFORD UNIVERSITY.
Chicago-čujuhus (17. p.)YIP, GEORGE & OTHERS. MANAGING GLOBAL CUSTOMERS. NEWYORK: OXFORD UNIVERSITY, 2007.
MLA-čujuhus (9. p.)YIP, GEORGE & OTHERS. MANAGING GLOBAL CUSTOMERS. OXFORD UNIVERSITY, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.