(1990). 12 years till 2000: Preparing for reference in the 21st century / David F. Kohl, editor ; prepared by Reference and Adult Services Conference Program Committee, ALA Annual Conference, New Orleans, 1988, Reference and Adult Services Division, American Library Association.
Citazione stile Chigago Style (17a edizione)12 Years Till 2000: Preparing for Reference in the 21st Century / David F. Kohl, Editor ; Prepared by Reference and Adult Services Conference Program Committee, ALA Annual Conference, New Orleans, 1988, Reference and Adult Services Division, American Library Association. 1990.
Citatione MLA (9a ed.)12 Years Till 2000: Preparing for Reference in the 21st Century / David F. Kohl, Editor ; Prepared by Reference and Adult Services Conference Program Committee, ALA Annual Conference, New Orleans, 1988, Reference and Adult Services Division, American Library Association. 1990.