Citazione APA

Ve. Thillainayagam & Smith L C. (2001). Reference and information services: An introduction (3.). Libraries unlimited.

Stile di citazione Chicago

Ve. Thillainayagam e Smith L C. Reference and Information Services: An Introduction. 3. Coloeado: Libraries unlimited, 2001.

Citazione MLA

Ve. Thillainayagam e Smith L C. Reference and Information Services: An Introduction. 3. Libraries unlimited, 2001.