HILL, C. W., & JONES, G. R. (1989). Strategic management: An integrated approach. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)HILL, Charles W.L, agus Gareth R. JONES. Strategic Management: An Integrated Approach. Boston: Houghton Mifflin, 1989.
Lua MLA (9ú heag.)HILL, Charles W.L, agus Gareth R. JONES. Strategic Management: An Integrated Approach. Houghton Mifflin, 1989.
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