Keegan, W. J. (1984). Multinational marketing management (3a. ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Keegan, Warren J. Multinational Marketing Management. 3a. ed. Englewood Cliffs: Prentice-Hall, 1984.
Lua MLA (9ú heag.)Keegan, Warren J. Multinational Marketing Management. 3a. ed. Prentice-Hall, 1984.
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