Mercer, D. (1987). IBM: How the world`s most successful corporation.. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Mercer, David. IBM: How the World`s Most Successful Corporation.. London: Kogan Page, 1987.
Lua MLA (9ú heag.)Mercer, David. IBM: How the World`s Most Successful Corporation.. Kogan Page, 1987.
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