Keegan, W. J. (1997). Principles of global marketing. Prentice-Hall.
Chicago-čujuhus (17. p.)Keegan, Warren J. Principles of Global Marketing. Upper Saddle River, New Jersey: Prentice-Hall, 1997.
MLA-čujuhus (9. p.)Keegan, Warren J. Principles of Global Marketing. Prentice-Hall, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.