STEBING, L. (1990). Quality Management In The Service Industry Lionel Stebbing. Ellis Horword.
Lua i Stíl Chicago (17ú heag.)STEBING, Lionel. Quality Management In The Service Industry Lionel Stebbing. Ellis Horword, 1990.
Lua MLA (8ú heag.)STEBING, Lionel. Quality Management In The Service Industry Lionel Stebbing. Ellis Horword, 1990.
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