WATSON, G. H. (1996). Startegic Benchmarking. Gramedia.
Lua i Stíl Chicago (17ú heag.)WATSON, Gregory H. Startegic Benchmarking. Gramedia, 1996.
Lua MLA (8ú heag.)WATSON, Gregory H. Startegic Benchmarking. Gramedia, 1996.
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