SCOTT BILL. (1985). ART OF MANNAGING. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)SCOTT BILL. ART OF MANNAGING. NEW YORK: JOHN WILEY AND SONS, 1985.
Lua MLA (9ú heag.)SCOTT BILL. ART OF MANNAGING. JOHN WILEY AND SONS, 1985.
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