304720 Arnold, K. L., & Holler, M. (1995). Quality assurance: Methods and technologies. New York : Glencoe/McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)304720 Arnold, Kenneth L., agus Michael Holler. Quality Assurance: Methods and Technologies. New York : Glencoe/McGraw-Hill, 1995.
Lua MLA (9ú heag.)304720 Arnold, Kenneth L., agus Michael Holler. Quality Assurance: Methods and Technologies. New York : Glencoe/McGraw-Hill, 1995.
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