KEEGAN, W. J. (1995). Marketing Warren J. Keegan, Sandra E. Moriarity, Thomas R. Duncan. Prentice-Hall International,In.
Lua i Stíl Chicago (17ú heag.)KEEGAN, Warren J. Marketing Warren J. Keegan, Sandra E. Moriarity, Thomas R. Duncan. Prentice-Hall International,In, 1995.
Lua MLA (8ú heag.)KEEGAN, Warren J. Marketing Warren J. Keegan, Sandra E. Moriarity, Thomas R. Duncan. Prentice-Hall International,In, 1995.
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