Lua APA (7ú heag.)

KEEGAN, W. J. (1995). Global marketing management. Prentice hall.

Lua i Stíl Chicago (17ú heag.)

KEEGAN, Warren J. Global Marketing Management. New Jersey: Prentice hall, 1995.

Lua MLA (9ú heag.)

KEEGAN, Warren J. Global Marketing Management. Prentice hall, 1995.

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