Mendelsohn, J. (1994). Human Help at OPAC Terminals Is User Friendly: A Preliminary Study.
Citazione stile Chigago Style (17a edizione)Mendelsohn, Jennifer. Human Help at OPAC Terminals Is User Friendly: A Preliminary Study. 1994.
Citatione MLA (9a ed.)Mendelsohn, Jennifer. Human Help at OPAC Terminals Is User Friendly: A Preliminary Study. 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.